ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU)

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.0101 CL01.0102 CL01.0141 CL01.0121 CL01.0122 CL01.0131 CL01.0132 CL01.0133 CL01.0201 CL01.0202 CL01.0212 CL01.0211 CL01.0221 Aluminium standard solution (Plasma HIQU) 1 g Al / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Al(3+) (±2 µg - 20 C) Aluminium standard solution (Plasma HIQU) 1 g Al / l 2 to 5% HCl Solution contains 1.000µg/ml of Al(3+) (±2 µg - 20 C) Aluminium(III) oxide standard solution (Plasma HIQU) 0.529 g Al / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Al2O3 (±2 µg - 20 C) Aluminium Antimony Antimony standard solution (Plasma HIQU) 1 g Sb / l 10 to 20% HCl Solution contains 1.000µg/ml of Sb(3+) (±2 µg - 20 C) Antimony standard solution (Plasma HIQU) 1 g Sb / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Sb(5+) (±2 µg - 20 C) Arsenicum Arsenicum standard solution (Plasma HIQU) 1.32 g As2O3 / l 2% KOH Solution contains 1.000µg/ml of As(3+) (±2 µg - 20 C) Arsenicum standard solution (Plasma HIQU) 1.32 g As2O3 / l 2 to 5% HCl Solution contains 1.000µg/ml of As(3+) (±2 µg - 20 C) Arsenicum standard solution (Plasma HIQU) 1.32 g As2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of As(5+) (±2 µg - 20 C) Barium Barium standard solution (Plasma HIQU) 1.44 g BaCO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ba(2+) (±2 µg - 20 C) Barium standard solution (Plasma HIQU) 1.44 g BaCO3 / l 2 to 5% HCl Solution contains 1.000µg/ml of Ba(2+) (±2 µg - 20 C) Beryllium Beryllium standard solution (Plasma HIQU) 1 g Be / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Be(2+) (±2 µg - 20 C) Beryllium standard solution (Plasma HIQU) 1 g Be / l 2 to 5% HCl Solution contains 1.000µg/ml of Be(2+) (±2 µg - 20 C) Bismuth standard solution (Plasma HIQU) 1 g Bi / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Bi(3+) (±2 µg - 20 C) Bismuth 100 ml 19,70 500 ml 49,40

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.0231 CL01.0232 CL01.0301 CL01.0311 CL01.0312 CL01.0313 CL01.0321 CL01.0331 CL01.0352 CL01.0361 CL01.0362 CL01.1121 CL01.1122 Boron standard solution (Plasma HIQU) 5.719 g H3BO3 / l H2O Solution contains 1.000µg/ml of B(3+) (±2 µg - 20 C) Boron standard solution (Plasma HIQU) 5.72 g H3BO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of B(3+) (±2 µg - 20 C) Boron Cadmium Cadmium standard solution (Plasma HIQU) 1 g Cd / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cd(2+) (±2 µg - 20 C) Calcium Calcium standard solution (Plasma HIQU) 2.5 g CaCO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ca(2+) (±2 µg - 20 C) Calcium standard solution (Plasma HIQU) 2.5 g CaCO3 / l 2 to 5% HCl Solution contains 1.000µg/ml of Ca(2+) (±2 µg - 20 C) Calcium oxide standard solution (Plasma HIQU) 1.79 g CaCO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of CaO (±2 µg - 20 C) Cerium Cerium standard solution (Plasma HIQU) 1.23 g CeO2 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ce(3+) (±2 µg - 20 C) Cesium standard solution (Plasma HIQU) 1.226 g Cs2CO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cs(1+) (±2 µg - 20 C) Chromium standard solution (Plasma HIQU) 2.829 g K2Cr2O7 / l H2O Solution contains 1.000µg/ml of Cr(6-) (±2 µg - 20 C) Cesium Chromium Chromium standard solution (Plasma HIQU) 1 g Cr / l 2 to 5% HCl Solution contains 1.000µg/ml of Cr(3+) (±2 µg - 20 C) Chromium standard solution (Plasma HIQU) 1 g Cr / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cr(3+) (±2 µg - 20 C) Cobalt Cobalt standard solution (Plasma HIQU) 1 g Co / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Co(2+) (±2 µg - 20 C) Cobalt standard solution (Plasma HIQU) 1 g Co / l 2 to 5% HCl Solution contains 1.000µg/ml of Co(2+) (±2 µg - 20 C)

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.1131 CL01.1132 CL01.0431 CL01.0501 CL01.0511 CL01.0701 CL01.0711 CL01.0721 CL01.0741 CL01.0731 CL01.0801 CL01.0802 Copper Copper standard solution (Plasma HIQU) 1 g Cu / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cu(2+) (±2 µg - 20 C) Copper standard solution (Plasma HIQU) 1.26 g CuO / l 2 to 5% HCl Solution contains 1.000µg/ml of Cu(2+) (±2 µg - 20 C) Dysprosium Dysprosium standard solution (Plasma HIQU) 1.15 g Dy2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Dy(3+) (±2 µg - 20 C) Erbium standard solution (Plasma HIQU) 1.15 g Er2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Er(3+) (±2 µg - 20 C) Erbium Europium Europium standard solution (Plasma HIQU) 1.16 g Eu2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Eu(3+) (±2 µg - 20 C) Gadolinium Gadolinium standard solution (Plasma HIQU) 1.16 g Gd2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Gd(3+) (±2 µg - 20 C) Gallium Gallium standard solution (Plasma HIQU) 1 g Ga / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ga(3+) (±2 µg - 20 C) Germanium Germanium standard solution (Plasma HIQU) 1 g Ge / l 2% KOH Solution contains 1.000µg/ml of Ge(4+) (±2 µg - 20 C) Germanium standard solution (Plasma HIQU) 1 g Ge / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Ge(4+) (±2 µg - 20 C) Gold Gold standard solution (Plasma HIQU) 1 g Au / l 10 to 20% HCl Solution contains 1.000µg/ml of Au(3+) (±2 µg - 20 C) Hafnium standard solution (Plasma HIQU) 1 g Hf / l 5% HF Solution contains 1.000µg/ml of Hf(4+) (±2 µg - 20 C) Hafnium standard solution (Plasma HIQU) 2.294 g HfOCl2.8H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Hf(4+) (±2 µg - 20 C) Hafnium 100 ml 26,00 500 ml 93,60 100 ml 26,00 500 ml 93,60 100 ml 33,90 500 ml 108,00 100 ml 26,00 500 ml 93,60 100 ml 26,00 500 ml 93,60 100 ml 26,00 500 ml 93,60 100 ml 26,00 500 ml 93,60 100 ml 41,40 500 ml 130,50 100 ml 26,00 500 ml 93,60 100 ml 26,00 500 ml 93,60

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.0821 CL01.0921 CL01.0931 CL01.0901 CL01.0902 CL01.0941 CL01.1201 CL01.1202 CL01.1221 CL01.1211 CL01.1212 CL01.1231 Holmium Holmium standard solution (Plasma HIQU) 1.15 g Ho2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ho(3+) (±2 µg - 20 C) Indium standard solution (Plasma HIQU) 1 g In / l 2 to 5% HNO3 Solution contains 1.000µg/ml of In(3+) (±2 µg - 20 C) Iridium standard solution (Plasma HIQU) 1.84 g IrCl3.3H2O / l 10 to 20% HCl Solution contains 1.000µg/ml of Ir(3+) (±2 µg - 20 C) Indium Iridium Iron Iron standard solution (Plasma HIQU) 1 g Fe / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Fe(3+) (±2 µg - 20 C) Iron standard solution (Plasma HIQU) 1 g Fe / l 2 to 5% HCl Solution contains 1.000µg/ml of Fe(3+) (±2 µg - 20 C) Iron(III) oxide standard solution (Plasma HIQU) 0.6994 g Fe / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Fe2O3 (±2 µg - 20 C) Lanthanum Lanthanum standard solution (Plasma HIQU) 1.18 g La2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of La(3+) (±2 µg - 20 C) Lanthanum standard solution (Plasma HIQU) 1.18 g La2O3 / l 2 to 5% HCl Solution contains 1.000µg/ml of La(3+) (±2 µg - 20 C) Lead standard solution (Plasma HIQU) 1 g Pb / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Pb(2+) (±2 µg - 20 C) Lithium standard solution (Plasma HIQU) 5.33 g Li2CO3 / l 2 to 5% HCl Solution contains 1.000µg/ml of Li(1+) (±2 µg - 20 C) Lithium standard solution (Plasma HIQU) 5.33 g Li2CO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Li(1+) (±2 µg - 20 C) Lead Lithium Lutetium Lutetium standard solution (Plasma HIQU) 1.14 g Lu2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Lu(3+) (±2 µg - 20 C) 100 ml 26,00 500 ml 93,60 100 ml 53,90 500 ml 156,60 100 ml 49,00 500 ml 184,90

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.1301 CL01.1302 CL01.1303 CL01.1311 CL01.1312 CL01.1341 CL01.1151 CL01.1331 CL01.1332 CL01.1411 CL01.1421 CL01.1422 CL01.1431 Magnesium Magnesium standard solution (Plasma HIQU) 1 g Mg / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Mg(2+) (±2 µg - 20 C) Magnesium standard solution (Plasma HIQU) 1 g Mg / l 2 to 5% HCl Solution contains 1.000µg/ml of Mg(2+) (±2 µg - 20 C) Magnesium oxide standard solution (Plasma HIQU) 0.603 g Mg / l 2 to 5% HNO3 Solution contains 1.000µg/ml of MgO (±2 µg - 20 C) Manganese Manganese standard solution (Plasma HIQU) 1 g Mn / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Mn(2+) (±2 µg - 20 C) Manganese standard solution (Plasma HIQU) 1 g Mn / l 2 to 5% HCl Solution contains 1.000µg/ml of Mn(2+) (±2 µg - 20 C) Manganese(III) oxide standard solution (Plasma HIQU) 0.696 g Mn / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Mn2O3 (±2 µg - 20 C) Mercury Mercury standard solution (Plasma HIQU) 1 g Hg / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Hg(2+) (±2 µg - 20 C) Molybdenum Molybdenum standard solution (Plasma HIQU) 1 g Mo / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Mo(6+) (±2 µg - 20 C) Molybdenum standard solution (Plasma HIQU) 2.043 g (NH4)2MoO4 / l 2% NH4OH Solution contains 1.000µg/ml of Mo(6+) (±2 µg - 20 C) Neodymium standard solution (Plasma HIQU) 1.17 g Nd2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Nd(3+) (±2 µg - 20 C) Nickel standard solution (Plasma HIQU) 1 g Ni / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ni(2+) (±2 µg - 20 C) Nickel standard solution (Plasma HIQU) 1.273 g NiO / l 2 to 5% HCl Solution contains 1.000µg/ml of Ni(2+) (±2 µg - 20 C) Neodymium Nickel Niobium Niobium standard solution (Plasma HIQU) 1 g Nb / l 5% HF Solution contains 1.000µg/ml of Nb(5+) (±2 µg - 20 C) 100 ml 26,00 500 ml 93,60 100 ml 26,00 500 ml 93,60

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.1501 CL01.1601 CL01.0631 CL01.0646 CL01.0641 CL01.0621 CL01.1611 CL01.1101 CL01.1102 CL01.1103 CL01.1621 CL01.1801 CL01.1802 Osmium Osmium standard solution (Plasma HIQU) 2.31 g (NH4)2OsCl6 / l 2 to 5% HCl Solution contains 1.000µg/ml of Os(4+) (±2 µg - 20 C) Palladium Palladium standard solution (Plasma HIQU) 1 g Pd / l 10 to 20% HCl Solution contains 1.000µg/ml of Pd(2+) (±2 µg - 20 C) Phosphorus standard solution (Plasma HIQU) 4.264 g (NH4)2HPO4 / l H2O Solution contains 1.000µg/ml of P (±2 µg - 20 C) Phosphorus standard solution (Plasma HIQU) 4.393 g KH2PO4 / l H2O Solution contains 1.000µg/ml of P (±2 µg - 20 C) Phosphorus standard solution (Plasma HIQU) 3.164 g H3PO4 / l 2 to 5 % HNO3 Solution contains 1.000µg/ml of P (±2 µg - 20 C) Phosphorus Phosphorus pentoxide standard solution (Plasma HIQU) 1.381 g H3PO4 / l H2O Solution contains 1.000µg/ml of P2O5 (±2 µg - 20 C) Platinum standard solution (Plasma HIQU) 1 g Pt / l 10 to 20% HCl Solution contains 1.000µg/ml of Pt(4+) (±2 µg - 20 C) Potassium standard solution (Plasma HIQU) 2.586 g KNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of K(1+) (±2 µg - 20 C) Potassium standard solution (Plasma HIQU) 1.907 g KCl / l 2 to 5% HCl Solution contains 1.000µg/ml of K(1+) (±2 µg - 20 C) Potassium oxide standard solution (Plasma HIQU) 2.15 g KNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of K2O (±2 µg - 20 C) Platinum Potassium Praseodymium Praseodymium standard solution (Plasma HIQU) 1.21 g Pr6O11 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Pr(3+/4+) (±2 µg - 20 C) Rhenium Rhenium standard solution (Plasma HIQU) 1.441 g NH4ReO4 / l H2O Solution contains 1.000µg/ml of Re(4+) (±2 µg - 20 C) Rhenium standard solution (Plasma HIQU) 1 g Re / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Re(4+) (±2 µg - 20 C) 100 ml 129,50 500 ml 482,70 100 ml 33,90 500 ml 108,00 100 ml 41,40 500 ml 130,50 100 ml 26,00 500 ml 93,60 100 ml 33,90 500 ml 108,00 100 ml 26,00 500 ml 93,60

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.1811 CL01.1821 CL01.1822 CL01.1831 CL01.1901 CL01.1911 CL01.1921 CL01.1922 CL01.1931 CL01.1935 CL01.1945 CL01.1932 CL01.1942 Rhodium Rhodium standard solution (Plasma HIQU) 2.558 g RhCl3.3H2O/ l 10 to 20% HCl Solution contains 1.000µg/ml of Rh(3+) (±20 µg - 20 C) Rubidium Rubidium standard solution (Plasma HIQU) 1.36 g Rb2CO3 / l 2 to 5% HCl Solution contains 1.000µg/ml of Rb(1+) (±2 µg - 20 C) Rubidium standard solution (Plasma HIQU) 1.36 g Rb2CO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Rb(1+) (±2 µg - 20 C) Ruthenium Ruthenium standard solution (Plasma HIQU) 2.6 g RuCl3.3H2O / l 10 to 20% HCl Solution contains 1.000µg/ml of Ru(3+) (±2 µg - 20 C) Samarium Samarium standard solution (Plasma HIQU) 1.16 g Sm2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Sm(3+) (±2 µg - 20 C) Scandium Scandium standard solution (Plasma HIQU) 1.534 g Sc2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Sc(3+) (±2 µg - 20 C) Selenium Selenium standard solution (Plasma HIQU) 1 g Se / l 10% HCl Solution contains 1.000µg/ml of Se(4+) (±2 µg - 20 C) Selenium standard solution (Plasma HIQU) 1 g Se / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Se(4+) (±2 µg - 20 C) Silicium standard solution (Plasma HIQU) 2.14 g SiO2 / l 2% KOH Solution contains 1.000µg/ml of Si(4+) (±2 µg - 20 C) Silicium standard solution (Plasma HIQU) 2.14 g SiO2 / l 2% NaOH Solution contains 1.000µg/ml of Si(4+) (±2 µg - 20 C) Silicium standard solution (Plasma HIQU) 6.336 g (NH4)2SiF6 / l 5% HF Solution contains 1.000µg/ml of Si (±2 µg - 20 C) Silicium standard solution (Plasma HIQU) 1 g Si / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Si (±2 µg - 20 C) Silicium dioxide standard solution (Plasma HIQU) 2.965 g (NH4)2SiF6 / l 5% HF Solution contains 1.000µg/ml of SiO2 (±2 µg - 20 C) Silicium 100 ml 66,40 100 ml 33,90 500 ml 108,00 100 ml 26,00 500 ml 93,60 100 ml 49,00 500 ml 184,90 5 l 312,00

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.2601 CL01.1401 CL01.1402 CL01.1403 CL01.1961 CL01.1962 CL01.2641 CL01.2642 CL01.2001 CL01.2002 CL01.2011 CL01.2012 CL01.2013 Silver Silver standard solution (Plasma HIQU) 1 g Ag / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ag(1+) (±2 µg - 20 C) Sodium Sodium standard solution (Plasma HIQU) 3.698 g NaNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Na(1+) (±2 µg - 20 C) Sodium standard solution (Plasma HIQU) 2.542 g NaCl / l 2 to 5% HCl Solution contains 1.000µg/ml of Na(1+) (±2 µg - 20 C) Sodium oxide standard solution (Plasma HIQU) 2.75 g NaNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Na2O (±2 µg - 20 C) Strontium Strontium standard solution (Plasma HIQU) 1.685 g SrCO3 / l 2 to 5% HCl Solution contains 1.000µg/ml of Sr(2+) (±2 µg - 20 C) Strontium standard solution (Plasma HIQU) 1.685 g SrCO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Sr(2+) (±2 µg - 20 C) Sulfur standard solution (Plasma HIQU) 4.121 g (NH4)2SO4 / l H2O Solution contains 1.000µg/ml of S (±2 µg - 20 C) Sulfur standard solution (Plasma HIQU) 3.059 g H2SO4 / l H2O Solution contains 1.000µg/ml of S (±2 µg - 20 C) Sulfur Tantalum Tantalum standard solution (Plasma HIQU) 1 g Ta / l 5% HF Solution contains 1.000µg/ml of Ta(5+) (±2 µg - 20 C) Tantalum standard solution (Plasma HIQU) 1 g Ta / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Ta(5+) (±2 µg - 20 C) Tellurium Tellurium standard solution (Plasma HIQU) 1 g Te / l 2% KOH Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) Tellurium standard solution (Plasma HIQU) 1 g Te / l 10 to 20% HCl Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) Tellurium standard solution (Plasma HIQU) 1 g Te / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) 100 ml 26,00 500 ml 93,60 100 ml 26,00 500 ml 93,60

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.2022 CL01.2031 CL01.2041 CL01.2051 CL01.2061 CL01.2071 CL01.2072 CL01.2075 CL01.2301 CL01.2302 CL01.2331 CL01.2101 Terbium Terbium standard solution (Plasma HIQU) 1.18 g Tb4O7 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Tb(3+/4+) (±2 µg - 20 C) Thallium standard solution (Plasma HIQU) 1 g Tl / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Tl(1+) (±2 µg - 20 C) Thallium Thorium Thorium standard solution (Plasma HIQU) 2.46 g Th(NO3)4.5H2O / l 10% HNO3 Solution contains 1.000µg/ml of Th(4+) (±2 µg - 20 C) Thulium Thulium standard solution (Plasma HIQU) 1.15 g Tm2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Tm(3+) (±2 µg - 20 C) Tin standard solution (Plasma HIQU) 1 g Sn / l 10 to 20% HCl Solution contains 1.000µg/ml of Sn(2+) (±2 µg - 20 C) Titanium standard solution (Plasma HIQU) 1 g Ti / l 5% HF Solution contains 1.000µg/ml of Ti(4+) (±2 µg - 20 C) Titanium standard solution (Plasma HIQU) 3.962 g TiCl4 / l 10 to 20% HCl Solution contains 1.000µg/ml of Ti(4+) (±2 µg - 20 C) Titanium standard solution (Plasma HIQU) 1 g Ti / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Ti(4+) (±2 µg - 20 C) Tungsten standard solution (Plasma HIQU) 1 g W / l 5% HF Solution contains 1.000µg/ml of W(6+) (±2 µg - 20 C) Tungsten standard solution (Plasma HIQU) 1.261 g WO3 / l 2% NH4OH Solution contains 1.000µg/ml of W(6+) (±2 µg - 20 C) Tungsten standard solution (Plasma HIQU) 1 g W / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of W(6+) (±2 µg - 20 C) Uranium standard solution (Plasma HIQU) 1 g U / l 2 to 5% HNO3 Solution contains 1.000µg/ml of U(6+) (±2 µg - 20 C) Tin Titanium Tungsten Uranium 100 ml 26,00 500 ml 93,60 100 ml 26,00 500 ml 93,60 100 ml 70,80 500 ml 222,90 100 ml 49,00 500 ml 130,50

ICP - Mono Element 1.000 ppm Standard Solutions (Plasma HIQU) CL01.2201 CL01.2501 CL01.2511 CL01.2611 CL01.2612 CL01.2631 CL01.2632 Vanadium standard solution (Plasma HIQU) 1 g V / l 2 to 5% HNO3 Solution contains 1.000µg/ml of V(3+) (±2 µg - 20 C) Vanadium Ytterbium Ytterbium standard solution (Plasma HIQU) 1.14 g Yb2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Yb(3+) (±2 µg - 20 C) Yttrium standard solution (Plasma HIQU) 1.27 g Y2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Y(3+) (±2 µg - 20 C) Yttrium Zinc Zinc standard solution (Plasma HIQU) 1 g Zn / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Zn(2+) (±2 µg - 20 C) Zinc standard solution (Plasma HIQU) 1 g Zn / l 2 to 5% HCl Solution contains 1.000µg/ml of Zn(2+) (±2 µg - 20 C) Zirconium standard solution (Plasma HIQU) 1 g Zr / l 5% HF Solution contains 1.000µg/ml of Zr(4+) (±2 µg - 20 C) Zirconium standard solution (Plasma HIQU) 3.533 g ZrOCl2.8H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Zr(4+) (±2 µg - 20 C) Zirconium 100 ml 26,00 500 ml 93,60

ICP - Mono Element 10.000 ppm Standard Solutions (Plasma HIQU) CL01.0103 CL01.0104 CL01.0123 CL01.0124 CL01.0134 CL01.0203 CL01.0204 CL01.0214 CL01.0223 CL01.0233 CL01.0303 CL01.0314 Aluminium Aluminium standard solution (Plasma HIQU) 10 g Al / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Al(3+) (±20 µg - 20 C) Aluminium standard solution (Plasma HIQU) 10 g Al / l 2 to 5% HCl Solution contains 10.000µg/ml of Al(3+) (±20 µg - 20 C) Antimony Antimony standard solution (Plasma HIQU) 10 g Sb / l 10 to 20% HCl Solution contains 10.000µg/ml of Sb(5+) (±20 µg - 20 C) Antimony standard solution (Plasma HIQU) 10 g Sb / l 2 to 5% HNO3 + traces HF Solution contains 10.000µg/ml of Sb(5+) (±2 µg - 20 C) Arsenicum Arsenicum standard solution (Plasma HIQU) 13.2 g As2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of As(5+) (±20 µg - 20 C) Barium Barium standard solution (Plasma HIQU) 14.37 g BaCO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Ba(2+) (±20 µg - 20 C) Barium standard solution (Plasma HIQU) 14.4 g BaCO3 / l 2 to 5% HCl Solution contains 10.000µg/ml of Ba(2+) (±20 µg - 20 C) Beryllium Beryllium standard solution (Plasma HIQU) 10 g Be / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Be(2+) (±20 µg - 20 C) Bismuth Bismuth standard solution (Plasma HIQU) 10 g Bi / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Bi(3+) (±20 µg - 20 C) Boron Boron standard solution (Plasma HIQU) 28.596 g H3BO3 / l H2O Solution contains 5.000µg/ml of B(3+) (±10 µg - 20 C) Cadmium Cadmium standard solution (Plasma HIQU) 10 g Cd / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Cd(2+) (±20 µg - 20 C) Calcium Calcium standard solution (Plasma HIQU) 25 g CaCO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Ca(2+) (±20 µg - 20 C)

ICP - Mono Element 10.000 ppm Standard Solutions (Plasma HIQU) CL01.0319 CL01.0323 CL01.0333 CL01.0364 CL01.0363 CL01.1123 CL01.1133 CL01.1134 CL01.0433 CL01.0503 CL01.0513 CL01.0703 Calcium oxide standard solution (Plasma HIQU) 17.848 g CaCO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of CaO (±20 µg - 20 C) Cerium Cerium standard solution (Plasma HIQU) 12.3 g CeO2 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Ce(3+) (±20 µg - 20 C) Cesium Cesium standard solution (Plasma HIQU) 12.3 g Cs2CO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Cs(1+) (±20 µg - 20 C) Chromium Chromium standard solution (Plasma HIQU) 10 g Cr / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Cr(3+) (±20 µg - 20 C) Chromium standard solution (Plasma HIQU) 10 g Cr / l 2 to 5% HCl Solution contains 10.000µg/ml of Cr(3+) (±20 µg - 20 C) Cobalt Cobalt standard solution (Plasma HIQU) 10 g Co / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Co(2+) (±20 µg - 20 C) Copper Copper standard solution (Plasma HIQU) 10 g Cu / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Cu(2+) (±20 µg - 20 C) Copper standard solution (Plasma HIQU) 12.6 g CuO / l 2 to 5% HCl Solution contains 10.000µg/ml of Cu(2+) (±20 µg - 20 C) Dysprosium Dysprosium standard solution (Plasma HIQU) 11.5 g Dy2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Dy(3+) (±20 µg - 20 C) Erbium Erbium standard solution (Plasma HIQU) 11.5 g Er2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Er(3+) (±20 µg - 20 C) Europium Europium standard solution (Plasma HIQU) 11.6 g Eu2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Eu(3+) (±20 µg - 20 C) Gadolinium Gadolinium standard solution (Plasma HIQU) 11.6 g Gd2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Gd(3+) (±20 µg - 20 C) 100 ml 97,80 500 ml 299,00 100 ml 97,80 500 ml 299,00 100 ml 97,80 500 ml 299,00 100 ml 97,80 500 ml 299,00

ICP - Mono Element 10.000 ppm Standard Solutions (Plasma HIQU) CL01.0713 CL01.0743 CL01.0733 CL01.0803 CL01.0804 CL01.0823 CL01.0923 CL01.0933 CL01.0903 CL01.0904 CL01.1203 CL01.1223 Gallium Gallium standard solution (Plasma HIQU) 10 g Ga / l 2 to 5% HNO3 + traces HCl Solution contains 10.000µg/ml of Ga(3+) (±20 µg - 20 C) Germanium Germanium standard solution (Plasma HIQU) 10 g Ge / l 2 to 5% HNO3 + traces HF Solution contains 10.000µg/ml of Ge(4+) (±20 µg - 20 C) Gold Gold standard solution (Plasma HIQU) 10 g Au / l 10 to 20% HCl Solution contains 10.000µg/ml of Au(3+) (±20 µg - 20 C) Hafnium Hafnium standard solution (Plasma HIQU) 10 g Hf / l 5% HF Solution contains 10.000µg/ml of HF(4+) (±20 µg - 20 C) Hafnium standard solution (Plasma HIQU) 22.94 g HfOCl2.8H2O / l 2 to 5% HCl Solution contains 10.000µg/ml of Hf(4+) (±20 µg - 20 C) Holmium Holmium standard solution (Plasma HIQU) 11.5 g Ho2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Ho(3+) (±20 µg - 20 C) Indium Indium standard solution (Plasma HIQU) 10 g In / l 2 to 5% HNO3 Solution contains 10.000µg/ml of In(3+) (±20 µg - 20 C) Iridium Iridium standard solution (Plasma HIQU) 18.4 g IrCl3.3H2O / l 10 to 20% HCl Solution contains 10.000µg/ml of Ir(3+) (±20 µg - 20 C) Iron Iron standard solution (Plasma HIQU) 10 g Fe / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Fe(3+) (±20 µg - 20 C) Iron standard solution (Plasma HIQU) 10 g Fe / l 2 to 5% HCl Solution contains 10.000µg/ml of Fe(3+) (±20 µg - 20 C) Lanthanum Lanthanum standard solution (Plasma HIQU) 11.8 g La2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of La(3+) (±20 µg - 20 C) Lead Lead standard solution (Plasma HIQU) 10 g Pb / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Pb(2+) (±20 µg - 20 C) 100 ml 219,70 500 ml 674,00 100 ml 97,80 500 ml 299,00 100 ml 97,80 500 ml 299,00 100 ml 219,70 500 ml 674,00

ICP - Mono Element 10.000 ppm Standard Solutions (Plasma HIQU) CL01.1214 CL01.1233 CL01.1304 CL01.1309 CL01.1313 CL01.1153 CL01.1333 CL01.1334 CL01.1413 CL01.1423 CL01.1433 CL01.1503 Lithium Lithium standard solution (Plasma HIQU) 53.3 g Li2CO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Li(1+) (±20 µg - 20 C) Lutetium Lutetium standard solution (Plasma HIQU) 11.4 g Lu2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Lu(3+) (±20 µg - 20 C) Magnesium Magnesium standard solution (Plasma HIQU) 10 g Mg / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Mg(2+) (±20 µg - 20 C) Magnesium oxide standard solution (Plasma HIQU) 10 g MgO / l 2 to 5% HNO3 Solution contains 10.000µg/ml of MgO (±20 µg - 20 C) Manganese Manganese standard solution (Plasma HIQU) 10 g Mn / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Mn(2+) (±20 µg - 20 C) Mercury Mercury standard solution (Plasma HIQU) 10 g Hg / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Hg(2+) (±20 µg - 20 C) Molybdenum Molybdenum standard solution (Plasma HIQU) 10 g Mo / l 2 to 5% HNO3 + traces HF Solution contains 10.000µg/ml of Mo(6+) (±20 µg - 20 C) Molybdenum standard solution (Plasma HIQU) 20.43 g (NH4)2MoO4 / l 2% NH4OH Solution contains 10.000µg/ml of Mo(6+) (±20 µg - 20 C) Neodymium Neodymium standard solution (Plasma HIQU) 11.7 g Nd2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Nd(3+) (±20 µg - 20 C) Nickel Nickel standard solution (Plasma HIQU) 10 g Ni / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Ni(2+) (±20 µg - 20 C) Niobium Niobium standard solution (Plasma HIQU) 10 g Nb / l 5% HF Solution contains 10.000µg/ml of Nb(5+) (±20 µg - 20 C) Osmium Osmium standard solution (Plasma HIQU) 23.1 g (NH4)2OsCl6 / l 2 to 5% HCl Solution contains 10.000µg/ml of Os(4+) (±20 µg - 20 C) 100 ml 219,70 500 ml 674,00 100 ml 97,80 500 ml 299,00 100 ml 1.054,50

ICP - Mono Element 10.000 ppm Standard Solutions (Plasma HIQU) CL01.1603 CL01.0633 CL01.0634 CL01.0643 CL01.0629 CL01.1613 CL01.1104 CL01.1109 CL01.1623 CL01.1803 CL01.1804 CL01.1813 CL01.1824 Palladium Palladium standard solution (Plasma HIQU) 10 g Pd / l 10 to 20% HCl Solution contains 10.000µg/ml of Pd(2+) (±20 µg - 20 C) Phosphorus standard solution (Plasma HIQU) 42.636 g (NH4)2HPO4 / l H2O Solution contains 10.000µg/ml of P (±20 µg - 20 C) Phosphorus standard solution (Plasma HIQU) 31.64 g H3PO4 / l H2O Solution contains 10.000µg/ml of P (±20 µg - 20 C) Phosphorus standard solution (Plasma HIQU) 31.64 g H3PO4 / l 2 to 5 % HNO3 Solution contains 10.000µg/ml of P (±20 µg - 20 C) Phosphorus Phosphorus pentoxide standard solution (Plasma HIQU) 13.81 g H3PO4 / l H2O Solution contains 10.000µg/ml of P2O5 (±20 µg - 20 C) Platinum Platinum standard solution (Plasma HIQU) 10 g Pt / l 10 to 20% HCl Solution contains 10.000µg/ml of Pt(4+) (±20 µg - 20 C) Potassium Potassium standard solution (Plasma HIQU) 25.858 g KNO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of K(1+) (±20 µg - 20 C) Potassium oxide standard solution (Plasma HIQU) 21.464 g KNO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of K2O (±20 µg - 20 C) Praseodymium Praseodymium standard solution (Plasma HIQU) 12.1 g Pr6O11 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Pr(3+/4+) (±20 µg-20 C) Rhenium Rhenium standard solution (Plasma HIQU) 14.41 g NH4ReO4 / l H2O Solution contains 10.000µg/ml of Re(4+) (±20 µg - 20 C) Rhenium standard solution (Plasma HIQU) 10 g Re / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Re(4+) (±20 µg - 20 C) Rhodium Rhodium standard solution (Plasma HIQU) 25.58 g RhCl3.3H2O/ l 10 to 20% HCl Solution contains 10.000µg/ml of Rh(3+) (±20 µg - 20 C) Rubidium Rubidium standard solution (Plasma HIQU) 13.6 g Rb2CO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Rb(1+) (±20 µg - 20 C) 100 ml 130,50 500 ml 402,30 100 ml 249,00 500 ml 764,20 100 ml 97,80 500 ml 299,00 100 ml 130,50 500 ml 402,30 100 ml 130,50 500 ml 402,30 100 ml 445,80 500 ml 2.152,30

ICP - Mono Element 10.000 ppm Standard Solutions (Plasma HIQU) CL01.1834 CL01.1903 CL01.1913 CL01.1923 CL01.1943 CL01.1933 CL01.1934 CL01.2603 CL01.1404 CL01.1409 CL01.1963 CL01.2643 Ruthenium Ruthenium standard solution (Plasma HIQU) 26 g RuCl3.3H2O / l 10 to 20% HCl Solution contains 10.000µg/ml of Ru(3+) (±20 µg - 20 C) Samarium Samarium standard solution (Plasma HIQU) 11.6 g Sm2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Sm(3+) (±20 µg - 20 C) Scandium Scandium standard solution (Plasma HIQU) 15.34 g Sc2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Sc(3+) (±20 µg - 20 C) Selenium Selenium standard solution (Plasma HIQU) 10 g Se / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Se(4+) (±20 µg - 20 C) Silicium standard solution (Plasma HIQU) 63.36 g (NH4)2SiF6 / l 5% HF Solution contains 10.000µg/ml of Si (±20 µg - 20 C) Silicium Silicium standard solution (Plasma HIQU) 21.4 g SiO2 / l 2% KOH Solution contains 10.000µg/ml of Si(4+) (±20 µg - 20 C) Silicium standard solution (Plasma HIQU) 10 g Si / l 2 to 5% HNO3 + traces HF Solution contains 10.000µg/ml of Si (±20 µg - 20 C) Silver Silver standard solution (Plasma HIQU) 10 g Ag / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Ag(1+) (±20 µg - 20 C) Sodium Sodium standard solution (Plasma HIQU) 36.977 g NaNO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Na(1+) (±20 µg - 20 C) Sodium oxide standard solution (Plasma HIQU) 27.428 g NaNO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Na2O (±20 µg - 20 C) Strontium standard solution (Plasma HIQU) 16.849 g SrCO3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Sr(2+) (±20 µg - 20 C) Sulfur standard solution (Plasma HIQU) 30.586 g H2SO4 / l H2O Solution contains 10.000µg/ml of S (±20 µg - 20 C) Strontium Sulfur 100 ml 219,70 500 ml 674,00 100 ml 219,70 500 ml 674,00

ICP - Mono Element 10.000 ppm Standard Solutions (Plasma HIQU) CL01.2644 CL01.2003 CL01.2004 CL01.2014 CL01.2015 CL01.2023 CL01.2033 CL01.2043 CL01.2053 CL01.2063 CL01.2073 CL01.2074 Sulfur standard solution (Plasma HIQU) 41.21 g (NH4)2SO4 / l H2O Solution contains 10.000µg/ml of S (±20 µg - 20 C) Tantalum Tantalum standard solution (Plasma HIQU) 10 g Ta / l 5% HF Solution contains 10.000µg/ml of Ta(5+) (±20 µg - 20 C) Tantalum standard solution (Plasma HIQU) 10 g Ta / l 2 to 5% HNO3 + traces HF Solution contains 10.000µg/ml of Ta(5+) (±20 µg - 20 C) Tellurium Tellurium standard solution (Plasma HIQU) 10 g Te / l 2 to 5% HNO3 + traces HF Solution contains 10.000µg/ml of Te(4+) (±20 µg - 20 C) Tellurium standard solution (Plasma HIQU) 10 g Te / l 10 to 20% HCl Solution contains 10.000µg/ml of Te(4+) (±20 µg - 20 C) Terbium Terbium standard solution (Plasma HIQU) 11.8 g Tb4O7 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Tb(3+/4+) (±20 µg - 20 C) Thallium Thallium standard solution (Plasma HIQU) 10 g Tl / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Tl(1+) (±20 µg - 20 C) Thorium Thorium standard solution (Plasma HIQU) 24.6 g Th(NO3)4.5H2O / l 10% HNO3 Solution contains 10.000µg/ml of Th(4+) (±20 µg - 20 C) Thulium Thulium standard solution (Plasma HIQU) 11.5 g Tm2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Tm(3+) (±20 µg - 20 C) Tin Tin standard solution (Plasma HIQU) 10 g Sn / l 10 to 20% HCl Solution contains 10.000µg/ml of Sn(2+) (±20 µg - 20 C) Titanium Titanium standard solution (Plasma HIQU) 39.62 g TiCl4 / l 10 to 20% HCl Solution contains 10.000µg/ml of Ti(4+) (±20 µg - 20 C) Titanium standard solution (Plasma HIQU) 10 g Ti / l 2 to 5% HNO3 + traces HF Solution contains 10.000µg/ml of Ti(4+) (±20 µg - 20 C) 100 ml 97,80 500 ml 299,00 100 ml 130,50 500 ml 402,30 100 ml 219,70 500 ml 674,00

ICP - Mono Element 10.000 ppm Standard Solutions (Plasma HIQU) CL01.2304 CL01.2333 CL01.2303 CL01.2103 CL01.2203 CL01.2503 CL01.2513 CL01.2613 CL01.2614 CL01.2633 Tungsten Tungsten standard solution (Plasma HIQU) 10 g W / l 5% HF Solution contains 10.000µg/ml of W(6+) (±20 µg - 20 C) Tungsten standard solution (Plasma HIQU) 10 g W / l 2 to 5% HNO3 + traces HF Solution contains 10.000µg/ml of W(6+) (±20 µg - 20 C) Tungsten standard solution (Plasma HIQU) 12.61 g WO3 / l 2% NH4OH Solution contains 10.000µg/ml of W(6+) (±20 µg - 20 C) Uranium Uranium standard solution (Plasma HIQU) 10 g U / l 2 to 5% HNO3 Solution contains 10.000µg/ml of U(6+) (±20 µg - 20 C) Vanadium Vanadium standard solution (Plasma HIQU) 10 g V / l 2 to 5% HNO3 Solution contains 10.000µg/ml of V(3+) (±20 µg - 20 C) Ytterbium Ytterbium standard solution (Plasma HIQU) 11.4 g Yb2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Yb(3+) (±20 µg - 20 C) Yttrium Yttrium standard solution (Plasma HIQU) 12.7 g Y2O3 / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Y(3+) (±20 µg - 20 C) Zinc Zinc standard solution (Plasma HIQU) 10 g Zn / l 2 to 5% HNO3 Solution contains 10.000µg/ml of Zn(2+) (±20 µg - 20 C) Zinc standard solution (Plasma HIQU) 10 g Zn / l 2 to 5% HCl Solution contains 10.000µg/ml of Zn(2+) (±20 µg - 20 C) Zirconium Zirconium standard solution (Plasma HIQU) 35.33 g ZrOCl2.8H2O / l 2 to 5% HCl Solution contains 10.000µg/ml of Zr(4+) (±20 µg - 20 C) 100 ml 219,70 500 ml 674,00 100 ml 97,80 500 ml 299,00

ProductNr CL01.0151 IC - Ion Chromatographie Mono Element 1.000 ppm Standard Solutions (Ion HIQU) Acetate standard solution (Ion HIQU) 1.389 g CH3COONa / l H2O Solution contains 1.000µg/ml of (CH3COO)- (±2 µg - 20 C) Pack Price 100 ml 63,20 CL01.0111 CL01.0261 CL01.0241 CL01.0348 CL01.0341 CL01.0342 CL01.0351 CL01.0354 CL01.0371 CL01.0411 CL01.0401 CL01.0421 CL01.0413 CL01.0353 CL01.0611 CL01.0651 Ammonia standard solution (Ion HIQU) 2.97 g NH4Cl / l H2O Solution contains 1.000µg/ml of NH4+ (±2 µg - 20 C) Bromate standard solution (Ion HIQU) 1.306 g KBrO3 / l H2O Solution contains 1.000µg/ml of BrO3- (±2 µg - 20 C) Bromide standard solution (Ion HIQU) 1.489 g KBr / l H2O Solution contains 1.000µg/ml of Br- (±2 µg - 20 C) Chlorate standard solution (Ion HIQU) 1.470 g KClO3 / l H2O Solution contains 1.000µg/ml of ClO3- (±2 µg - 20 C) Chloride standard solution (Ion HIQU) 2.1 g KCl / l H2O Solution contains 1.000µg/ml of Cl- (±2 µg - 20 C) Chloride standard solution (Ion HIQU) 1.649 g NaCl / l H2O Solution contains 1.000µg/ml of Cl- (±2 µg - 20 C) Chromate standard solution (Ion HIQU) 1.471 g K2Cr2O7 / l H2O Solution contains 1.000µg/ml of CrO3 (±2 µg - 20 C) Chromate standard solution (Ion HIQU) 1.674 g K2CrO4 / l H2O Solution contains 1.000µg/ml of CrO4(2-) (±2 µg - 20 C) Cyanide standard solution (Ion HIQU) 2.503 g KCN / l H2O (Keep Cool!) Solution contains 1.000µg/ml of CN- (±2 µg - 20 C) Detergents(-) Anionic standard solution (Ion HIQU) 1 g TPBS / l H2O Solution contains 1.000µg/ml of TPBS (±2 µg - 20 C) Detergents(+) Kationic standard solution (Ion HIQU) 1 g CTAB / l H2O Solution contains 1.000µg/ml of CTAB (±2 µg - 20 C) Detergents(non) ionic standard solution (Ion HIQU) 1 g TRITON X-100 / l H2O Solution contains 1.000µg/ml TRITON X-100 (±2 µg - 20 C) Detergents(-) Anionic standard solution (Ion HIQU) 1 g C12H25NaO4S / l H2O Solution contains 1.000µg/ml of SDS (±2 µg - 20 C) Dichromate standard solution (Ion HIQU) 1.362 g K2Cr2O7 / l H2O Solution contains 1.000µg/ml of Cr2O7(2-) (±2 µg - 20 C) Fluoride standard solution (Ion HIQU) 2.21 g NaF / l H2O Solution contains 1.000µg/ml of F- (±2 µg - 20 C) Formaldehyde standard solution (Ion HIQU) 1 g HCOH / l H2O Solution contains 1.000 µg/ml of HCHO (±2 µg - 20 C) 100 ml 97,80 500 ml 130,00

ProductNr CL01.0671 IC - Ion Chromatographie Mono Element 1.000 ppm Standard Solutions (Ion HIQU) Formiate standard solution (Ion HIQU) 1.501 g HCOONa / l H2O Solution contains 1.000µg/ml of (HCOO)- (±2 µg - 20 C) Pack Price 100 ml 63,20 CL01.0811 CL01.0812 CL01.0831 CL01.2311 CL01.1001 CL01.1241 CL01.1361 CL01.1441 CL01.1451 CL01.1951 CL01.1952 CL01.1954 CL01.1981 CL01.1991 CL01.1955 CL01.1511 Hardness standard solution 100 DH (Ion HIQU) 1.786 g CaCO3 / l 0.4% HCl Solution contains 100 DH (±0.2 DH - 20 C) Hardness standard solution 100 FH (Ion HIQU) 1 g CaCO3 / l 0.4% HCl Solution contains 100 FH (±0.2 FH - 20 C) Hydrazine standard solution (Ion HIQU) 4.061 g N2H4.H2SO4 / l H2O Solution contains 1.000µg/ml of N2H4+ (±2 µg - 20 C) Hydrogen carbonate standard solution (Ion HIQU) 1.377 g NaHCO3 / l H2O Solution contains 1.000µg/ml of HCO3- (±2 µg - 20 C) Iodide standard solution (Ion HIQU) 1.308 g KI / l H2O Solution contains 1.000µg/ml of I- (±2 µg - 20 C) L-Lactate standard solution (Ion HIQU) 1.244 g C3H5NaO3 / l H2O Solution contains 1.000µg/ml of (C3H5O3)- (±2 µg - 20 C) Molybdate standard solution (Ion HIQU) 1.5128 g Na2MoO4.2H2O / l H2O Solution contains 1.000µg/ml of MoO4(2-) (±2 µg - 20 C) Nitrate standard solution (Ion HIQU) 1.63 g KNO3 / l H2O Solution contains 1.000µg/ml of NO3- (±2 µg - 20 C) Nitrite standard solution (Ion HIQU) 1.50 g NaNO2 / l H2O Solution contains 1.000µg/ml of NO2- (±2 µg - 20 C) Nitrogen standard solution (Ion HIQU) 3.81 g NH4Cl / l H2O Solution contains 1.000µg/ml of N (±2 µg - 20 C) Nitrogen standard solution (Ion HIQU) 3.81 g NH4Cl / l 0.001 mol HCl Solution contains 1.000µg/ml of N (±2 µg - 20 C) Nitrogen standard solution (Ion HIQU) 9.65 g C8H9NO / l CH3OH/H2O (4/6) Solution contains 1.000µg/ml of Kjeldahl N (±2 µg - 20 C) Nitrogen standard solution (Ion HIQU) 4.9262 g NaNO2 / l H2O Solution contains 1.000µg/ml of N (±2 µg - 20 C) Nitrogen standard solution (Ion HIQU) 7.218 g KNO3 / l H2O Solution contains 1.000µg/ml of N (±2 µg - 20 C) Nitrogen standard solution (Ion HIQU) 4.717 g (NH4)2SO4 / l H2O Solution contains 1.000µg/ml of N (±2 µg - 20 C) Oxalate standard solution (Ion HIQU) 1.523 g Na2C2O4 / l H2O Solution contains 1.000µg/ml of (C2O4)- (±2 µg - 20 C) 100 ml 63,20 100 ml 47,10 100 ml 63,20

ProductNr CL01.0349 IC - Ion Chromatographie Mono Element 1.000 ppm Standard Solutions (Ion HIQU) Perchlorate standard solution (Ion HIQU) 1.393 g KClO4 / l H2O Solution contains 1.000µg/ml of ClO4- (±2 µg - 20 C) Pack Price CL01.0601 CL01.0622 CL01.1631 CL01.1941 CL01.1971 CL01.1975 CL01.1972 CL01.2661 Phenol standard solution (Ion HIQU) 1 g C6H5OH / l 0.4% NaOH Solution contains 1.000µg/ml of C6H5OH (±2 µg - 20 C) Phosphate standard solution (Ion HIQU) 2.2014 g NaNH4HPO4.4H2O / l H2O Solution contains 1.000µg/ml of PO4(3-) (±2 µg - 20 C) Propionate standard solution (Ion HIQU) 1.314 g C2H5CO2Na / l H2O Solution contains 1.000µg/ml of (C2H5CO2)- (±2 µg - 20 C) Silicate standard solution (Ion HIQU) 1 g SiO2 / l 0.4% NaOH Solution contains 1.000µg/ml of SiO2 (±2 µg - 20 C) Sulfate standard solution (Ion HIQU) 1.479 g Na2SO4 / l H2O Solution contains 1.000µg/ml of SO4(2-) (±2 µg - 20 C) Sulfate standard solution (Ion HIQU) 1.021 g H2SO4 / l H2O Solution contains 1.000µg/ml of SO4(2-) (±2 µg - 20 C) Sulfate standard solution (Ion HIQU) 1.8141 g K2SO4 / l H2O Solution contains 1.000µg/ml of SO4(2-) (±2 µg - 20 C) Thiocyanate standard solution (Ion HIQU) 1.673 g KCNS / l H2O Solution contains 1.000µg/ml of SCN- (±2 µg - 20 C) 100 ml 63,20

ProductNr CL01.0112 IC - Ion Chromatographie Mono Element 10.000 ppm Standard Solutions (Ion HIQU) Ammonia standard solution (Ion HIQU) 29.7 g NH4Cl / l H2O Solution contains 10.000µg/ml of NH4+ (±20 µg - 20 C) Pack Price 100 ml 53,80 500 ml 167,00 CL01.0243 CL01.0343 CL01.0613 CL01.1442 CL01.1452 CL01.1953 CL01.1997 CL01.0623 CL01.0624 CL01.1973 CL01.1974 Bromide standard solution (Ion HIQU) 14.89 g KBr / l H2O Solution contains 10.000µg/ml of Br- (±2 µg - 20 C) Chloride standard solution (Ion HIQU) 21 g KCl / l H2O Solution contains 10.000µg/ml of Cl- (±20 µg - 20 C) Fluoride standard solution (Ion HIQU) 22.1 g NaF / l H2O Solution contains 10.000µg/ml of F- (±20 µg - 20 C) Nitrate standard solution (Ion HIQU) 16.3 g KNO3 / l H2O Solution contains 10.000µg/ml of NO3- (±20 µg - 20 C) Nitrite standard solution (Ion HIQU) 15.0 g NaNO2 / l H2O Solution contains 10.000µg/ml of NO2- (±20 µg - 20 C) Nitrogen standard solution (Ion HIQU) 47.168 g (NH4)2SO4 / l H2O Solution contains 10.000µg/ml of N (±20 µg - 20 C) Nitrogen standard solution (Ion HIQU) 72.18 g KNO3 / l H2O Solution contains 10.000µg/ml of N (±20 µg - 20 C) Phosphate standard solution (Ion HIQU) 22.014 g NaNH4HPO4.4H2O / l H2O Solution contains 10.000µg/ml of PO4(3-) (±20 µg - 20 C) Phosphate standard solution (Ion HIQU) 14.47 g KH2PO4 / l H2O Solution contains 10.000µg/ml of PO4(3-) (±20 µg - 20 C) Sulfate standard solution (Ion HIQU) 14.79 g Na2SO4 / l H2O Solution contains 10.000µg/ml of SO4(2-) (±20 µg - 20 C) Sulfate standard solution (Ion HIQU) 18.141 g K2SO4 / l H2O Solution contains 10.000µg/ml of SO4(2-) (±20 µg - 20 C) 100 ml 53,80 500 ml 167,00 100 ml 53,80 500 ml 166,70 100 ml 19,70 500 ml 153,40 100 ml 53,80 500 ml 167,00 100 ml 53,80 500 ml 167,00 100 ml 53,80 500 ml 167,00 100 ml 53,80 500 ml 167,00 100 ml 53,80 500 ml 167,00 100 ml 53,80 500 ml 167,00 100 ml 53,80 500 ml 167,00 100 ml 53,80 500 ml 167,00

AAS - Atomic Absorption Mono Element 1.000 ppm Standard Solutions (Spectro ECON) CL01.0105 CL01.0106 CL01.0107 CL01.0126 CL01.0127 CL01.0135 CL01.0136 CL01.0137 CL01.0138 CL01.0205 CL01.0206 CL01.0207 CL01.0216 Aluminium standard solution (Spectro ECON) 8.948 g AlCl3.6H2O / l H2O Solution contains 1.000µg/ml of Al(3+) (±2 µg - 20 C) Aluminium standard solution (Spectro ECON) 13.903 g Al(NO3)3.9H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Al(3+) (±2 µg - 20 C) Aluminium standard solution (Spectro ECON) 8.948 g AlCl3.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Al(3+) (±2 µg - 20 C) Aluminium Antimony Antimony standard solution (Spectro ECON) 1.874 g SbCl3 / l 10 to 20% HCl Solution contains 1.000µg/ml of Sb(5+) (±2 µg - 20 C) Antimony standard solution (Spectro ECON) 1 g Sb / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Sb(5+) (±2 µg - 20 C) Arsenicum Arsenicum standard solution (Spectro ECON) 1.734 g NaAsO2 / l H2O Solution contains 1.000µg/ml of As(3+) (±2 µg - 20 C) Arsenicum standard solution (Spectro ECON) 1.32 g As2O3 / l 2% KOH Solution contains 1.000µg/ml of As(3+) (±2 µg - 20 C) Arsenicum standard solution (Spectro ECON) 1.32 g As2O3 / l 2 to 5% HCl Solution contains 1.000µg/ml of As(3+) (±2 µg - 20 C) Arsenicum standard solution (Spectro ECON) 1.32 g As2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of As(5+) (±2 µg - 20 C) Barium Barium standard solution (Spectro ECON) 1.779 g BaCl2.2H2O / l H2O Solution contains 1.000µg/ml of Ba(2+) (±2 µg - 20 C) Barium standard solution (Spectro ECON) 1.903 g Ba(NO3)2 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ba(2+) (±2 µg - 20 C) Barium standard solution (Spectro ECON) 1.779 g BaCl2.2H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Ba(2+) (±2 µg - 20 C) Beryllium Beryllium standard solution (Spectro ECON) 8.868 g BeCl2 / l 2 to 5% HCl Solution contains 1.000µg/ml of Be(2+) (±2 µg - 20 C)

AAS - Atomic Absorption Mono Element 1.000 ppm Standard Solutions (Spectro ECON) CL01.0217 CL01.0225 CL01.0226 CL01.0236 CL01.0237 CL01.0305 CL01.0306 CL01.0315 CL01.0316 CL01.0317 CL01.0318 CL01.0335 CL01.0356 Beryllium standard solution (Spectro ECON) 22.76 g Be(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Be(2+) (±2 µg - 20 C) Bismuth standard solution (Spectro ECON) 1.3733 g BiO(NO3) / l~0.5 mol HNO3 Solution contains 1.000µg/ml of Bi(3+) (±2 µg - 20 C) Bismuth standard solution (Spectro ECON) 2.321 g Bi(NO3)3.5H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Bi(3+) (±2 µg - 20 C) Boron standard solution (Spectro ECON) 5.719 g H3BO3 / l H2O Solution contains 1.000µg/ml of B(3+) (±2 µg - 20 C) Boron standard solution (Spectro ECON) 5.72 g H3BO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of B(3+) (±2 µg - 20 C) Bismuth Boron Cadmium Cadmium standard solution (Spectro ECON) 2.745 g Cd(NO3)2.4H2O / l H2O Solution contains 1.000µg/ml of Cd(2+) (±2 µg - 20 C) Cadmium standard solution (Spectro ECON) 2.745 g Cd(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cd(2+) (±2 µg - 20 C) Calcium Calcium standard solution (Spectro ECON) 3.668 g CaCl2.2H2O / l H2O Solution contains 1.000µg/ml of Ca(2+) (±2 µg - 20 C) Calcium standard solution (Spectro ECON) 5.892 g Ca(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ca(2+) (±2 µg - 20 C) Calcium standard solution (Spectro ECON) 3.668 g CaCl2.2H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Ca(2+) (±2 µg - 20 C) Calcium oxide standard solution (Spectro ECON) 1.79 g CaCO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of CaO (±2 µg - 20 C) Cesium standard solution (Spectro ECON) 1.267 g CsCl / l H2O Solution contains 1.000µg/ml of Cs(1+) (±2 µg - 20 C) Chromium standard solution (Spectro ECON) 2.829 g K2Cr2O7 / l H2O Solution contains 1.000µg/ml of Cr(6-) (±2 µg - 20 C) Cesium Chromium

AAS - Atomic Absorption Mono Element 1.000 ppm Standard Solutions (Spectro ECON) CL01.0365 CL01.0366 CL01.0367 CL01.1125 CL01.1126 CL01.1127 CL01.1135 CL01.1136 CL01.1137 CL01.0926 CL01.0905 CL01.0906 CL01.0907 Chromium standard solution (Spectro ECON) 7.696 g Cr(NO3)3.9H2O / l H2O Solution contains 1.000µg/ml of Cr(3+) (±2 µg - 20 C) Chromium standard solution (Spectro ECON) 5.124 g CrCl3.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Cr(3+) (±2 µg - 20 C) Chromium standard solution (Spectro ECON) 7.696 g Cr(NO3)3.9H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cr(3+) (±2 µg - 20 C) Cobalt Cobalt standard solution (Spectro ECON) 4.938 g Co(NO3)2.6H2O / l H2O Solution contains 1.000µg/ml of Co(2+) (±2 µg - 20 C) Cobalt standard solution (Spectro ECON) 4.938 g Co(NO3)2.6H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Co(2+) (±2 µg - 20 C) Cobalt standard solution (Spectro ECON) 4.037 g CoCl2.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Co(2+) (±2 µg - 20 C) Copper Copper standard solution (Spectro ECON) 3.802 g Cu(NO3)2.3H2O / l H2O Solution contains 1.000µg/ml of Cu(2+) (±2 µg - 20 C) Copper standard solution (Spectro ECON) 3.802 g Cu(NO3)2.3H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Cu(2+) (±2 µg - 20 C) Copper standard solution (Spectro ECON) 2.683 g CuCl2.2H2O/ l 2 to 5% HCl Solution contains 1.000µg/ml of Cu(2+) (±2 µg - 20 C) Indium standard solution (Spectro ECON) 1.21 g In2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of In(3+) (±2 µg - 20 C) Indium Iron Iron standard solution (Spectro ECON) 7.234 g Fe(NO3)3.9H2O / l H2O Solution contains 1.000µg/ml of Fe(3+) (±2 µg - 20 C) Iron standard solution (Spectro ECON) 7.234 g Fe(NO3)3.9H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Fe(3+) (±2 µg - 20 C) Iron standard solution (Spectro ECON) 4.840 g FeCl3.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Fe(3+) (±2 µg - 20 C)

AAS - Atomic Absorption Mono Element 1.000 ppm Standard Solutions (Spectro ECON) CL01.1206 CL01.1225 CL01.1226 CL01.1215 CL01.1216 CL01.1217 CL01.1305 CL01.1306 CL01.1307 CL01.1308 CL01.1315 CL01.1316 CL01.1317 Lanthanum Lanthanum standard solution (Spectro ECON) 1.18 g La2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of La(3+) (±2 µg - 20 C) Lead Lead standard solution (Spectro ECON) 1.599 g Pb(NO3)2 / l H2O Solution contains 1.000µg/ml of Pb(2+) (±2 µg - 20 C) Lead standard solution (Spectro ECON) 1.599 g Pb(NO3)2 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Pb(2+) (±2 µg - 20 C) Lithium standard solution (Spectro ECON) 6.108 g LiCl / l H2O Solution contains 1.000µg/ml of Li(1+) (±2 µg - 20 C) Lithium standard solution (Spectro ECON) 5.33 g Li2CO3 / l 2 to 5% HCl Solution contains 1.000µg/ml of Li(1+) (±2 µg - 20 C) Lithium standard solution (Spectro ECON) 5.33 g Li2CO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Li(1+) (±2 µg - 20 C) Lithium Magnesium Magnesium standard solution (Spectro ECON) 8.363 g MgCl2.6H2O / l H2O Solution contains 1.000µg/ml of Mg(2+) (±2 µg - 20 C) Magnesium standard solution (Spectro ECON) 10.547 g Mg(NO3)2.6H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Mg(2+) (±2 µg - 20 C) Magnesium standard solution (Spectro ECON) 8.363 g MgCl2.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Mg(2+) (±2 µg - 20 C) Magnesium oxide standard solution (Spectro ECON) 0.603 g Mg / l 2 to 5% HNO3 Solution contains 1.000µg/ml of MgO (±2 µg - 20 C) Manganese Manganese standard solution (Spectro ECON) 4.569 g Mn(NO3)2.4H2O / l H2O Solution contains 1.000µg/ml of Mn(2+) (±2 µg - 20 C) Manganese standard solution (Spectro ECON) 4.569 g Mn(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Mn(2+) (±2 µg - 20 C) Manganese standard solution (Spectro ECON) 3.602 g MnCl2.4H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Mn(2+) (±2 µg - 20 C)

AAS - Atomic Absorption Mono Element 1.000 ppm Standard Solutions (Spectro ECON) CL01.1155 CL01.1156 CL01.1336 CL01.1425 CL01.1426 CL01.1427 CL01.1436 CL01.0635 CL01.0636 CL01.0626 CL01.1105 CL01.1106 CL01.1107 Mercury Mercury standard solution (Spectro ECON) 1.708 g Hg(NO3)2.1H2O / l H2O Solution contains 1.000µg/ml of Hg(2+) (±2 µg - 20 C) Mercury standard solution (Spectro ECON) 1.708 g Hg(NO3)2.1H2O/ l 2 to 5% HNO3 Solution contains 1.000µg/ml of Hg(2+) (±2 µg - 20 C) Molybdenum Molybdenum standard solution (Spectro ECON) 1 g Mo / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Mo(6+) (±2 µg - 20 C) Nickel standard solution (Spectro ECON) 4.953 g Ni(NO3)2.6H2O / l H2O Solution contains 1.000µg/ml of Ni(2+) (±2 µg - 20 C) Nickel standard solution (Spectro ECON) 4.953 g Ni(NO3)2.6H2O/ l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ni(2+) (±2 µg - 20 C) Nickel standard solution (Spectro ECON) 4.049 g NiCl2.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Ni(2+) (±2 µg - 20 C) Nickel Niobium standard solution (Spectro ECON) 1 g Nb / l 5% HF Solution contains 1.000µg/ml of Nb(5+) (±2 µg - 20 C) Phosphorus standard solution (Spectro ECON) 3.164 g H3PO4 / l H2O Solution contains 1.000µg/ml of P (±2 µg - 20 C) Phosphorus standard solution (Spectro ECON) 4.264 g (NH4)2HPO4 / l H2O Solution contains 1.000µg/ml of P (±2 µg - 20 C) Niobium Phosphorus Phosphorus pentoxide standard solution (Spectro ECON) 1.381 g H3PO4 / l H2O Solution contains 1.000µg/ml of P2O5 (±2 µg - 20 C) Potassium standard solution (Spectro ECON) 1.907 g KCl / l H2O Solution contains 1.000µg/ml of K(1+) (±2 µg - 20 C) Potassium standard solution (Spectro ECON) 2.586 g KNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of K(1+) (±2 µg - 20 C) Potassium standard solution (Spectro ECON) 1.907 g KCl / l 2 to 5% HCl Solution contains 1.000µg/ml of K(1+) (±2 µg - 20 C) Potassium

AAS - Atomic Absorption Mono Element 1.000 ppm Standard Solutions (Spectro ECON) CL01.1108 CL01.1825 CL01.1926 CL01.1927 CL01.1936 CL01.2605 CL01.2606 CL01.1405 CL01.1407 CL01.1406 CL01.1408 CL01.1965 CL01.1966 Potassium oxide standard solution (Spectro ECON) 2.15 g KNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of K2O (±2 µg - 20 C) Rubidium Rubidium standard solution (Spectro ECON) 1.415 g RbCl / l H2O Solution contains 1.000µg/ml of Rb(1+) (±2 µg - 20 C) Selenium Selenium standard solution (Spectro ECON) 1 g Se / l 10% HCl Solution contains 1.000µg/ml of Se(4+) (±2 µg - 20 C) Selenium standard solution (Spectro ECON) 1 g Se / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Se(4+) (±2 µg - 20 C) Silicium standard solution (Spectro ECON) 2.14 g SiO2 / l 2% KOH Solution contains 1.000µg/ml of Si(4+) (±2 µg - 20 C) Silicium Silver Silver standard solution (Spectro ECON) 1.575 g AgNO3 / l H2O Solution contains 1.000µg/ml of Ag(1+) (±2 µg - 20 C) Silver standard solution (Spectro ECON) 1.575 g AgNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Ag(1+) (±2 µg - 20 C) Sodium Sodium standard solution (Spectro ECON) 2.542 g NaCl / l H2O Solution contains 1.000µg/ml of Na(1+) (±2 µg - 20 C) Sodium standard solution (Spectro ECON) 2.5422 g NaCl / l 2 to 5% HCl Solution contains 1.000µg/ml of Na(1+) (±2 µg - 20 C) Sodium standard solution (Spectro ECON) 3.698 g NaNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Na(1+) (±2 µg - 20 C) Sodium oxide standard solution (Spectro ECON) 2.75 g NaNO3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Na2O (±2 µg - 20 C) Strontium Strontium standard solution (Spectro ECON) 2.416 g Sr(NO3)2 / l H2O Solution contains 1.000µg/ml of Sr(2+) (±2 µg - 20 C) Strontium standard solution (Spectro ECON) 3.043 g SrCl2.6H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Sr(2+) (±2 µg - 20 C) 500 ml 35,20

AAS - Atomic Absorption Mono Element 1.000 ppm Standard Solutions (Spectro ECON) CL01.1967 CL01.2645 CL01.2646 CL01.2016 CL01.2017 CL01.2018 CL01.2036 CL01.2066 CL01.2076 CL01.2077 CL01.2306 CL01.2308 CL01.2205 Strontium standard solution (Spectro ECON) 2.416 g Sr(NO3)2 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Sr(2+) (±2 µg - 20 C) Sulfur standard solution (Spectro ECON) 3.059 g H2SO4 / l H2O Solution contains 1.000µg/ml of S (±2 µg - 20 C) Sulfur standard solution (Spectro ECON) 4.121 g (NH4)2SO4 / l H2O Solution contains 1.000µg/ml of S (±2 µg - 20 C) Sulfur Tellurium Tellurium standard solution (Spectro ECON) 1 g Te / l 2% KOH Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) Tellurium standard solution (Spectro ECON) 1 g Te / l 10 to 20% HCl Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) Tellurium standard solution (Spectro ECON) 1 g Te / l 2 to 5% HNO3 + traces HF Solution contains 1.000µg/ml of Te(4+) (±2 µg - 20 C) Thallium standard solution (Spectro ECON) 1.117 g Tl2O3 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Tl(1+) (±2 µg - 20 C) Thallium Tin standard solution (Spectro ECON) 2.154 g SnCl2.2H2O / l 10 to 20% HCl Solution contains 1.000µg/ml of Sn(2+) (±2 µg - 20 C) Titanium standard solution (Spectro ECON) 1 g Ti / l 5% HF Solution contains 1.000µg/ml of Ti(4+) (±2 µg - 20 C) Titanium standard solution (Spectro ECON) 3.962 g TiCl4 / l 10 to 20% HCl Solution contains 1.000µg/ml of Ti(4+) (±2 µg - 20 C) Tungsten standard solution (Spectro ECON) 1 g W / l 5% HF Solution contains 1.000µg/ml of W(6+) (±2 µg - 20 C) Tungsten standard solution (Spectro ECON) 1.261 g WO3 / l 2% NH4OH Solution contains 1.000µg/ml of W(6+) (±2 µg - 20 C) Vanadium standard solution (Spectro ECON) 2.296 g NH4VO3 / l dil. NH4OH Solution contains 1.000µg/ml of V(5+) (±2 µg - 20 C) Tin Titanium Tungsten Vanadium

AAS - Atomic Absorption Mono Element 1.000 ppm Standard Solutions (Spectro ECON) CL01.2208 CL01.2206 CL01.2516 CL01.2615 CL01.2616 CL01.2617 CL01.2635 CL01.2636 CL01.2637 Vanadium standard solution (Spectro ECON) 3.278 g VOSO4 / l 0.5 mol/l H2SO4 Solution contains 1.000µg/ml of V(4+) (±2 µg - 20 C) Vanadium standard solution (Spectro ECON) 1.785 g V2O5 / l 2 to 5% HNO3 Solution contains 1.000µg/ml of V(3+) (±2 µg - 20 C) Yttrium standard solution (Spectro ECON) 4.31 g Y(NO3)3.6H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Y(3+) (±2 µg - 20 C) Yttrium Zinc Zinc standard solution (Spectro ECON) 3.998 g Zn(NO3)2.4H2O / l H2O Solution contains 1.000µg/ml of Zn(2+) (±2 µg - 20 C) Zinc standard solution (Spectro ECON) 3.998 g Zn(NO3)2.4H2O / l 2 to 5% HNO3 Solution contains 1.000µg/ml of Zn(2+) (±2 µg - 20 C) Zinc standard solution (Spectro ECON) 2.085 g ZnCl2 / l 2 to 5% HCl Solution contains 1.000µg/ml of Zn(2+) (±2 µg - 20 C) Zirconium standard solution (Spectro ECON) 3.533 g ZrOCl2.8H2O / l 2 mol/l HCl Solution contains 1.000µg/ml of Zr(4+) (±2 µg - 20 C) Zirconium standard solution (Spectro ECON) 1.351 g ZrO2 / l 5% HF Solution contains 1.000µg/ml of Zr(4+) (±2 µg - 20 C) Zirconium standard solution (Spectro ECON) 3.533 g ZrOCl2.8H2O / l 2 to 5% HCl Solution contains 1.000µg/ml of Zr(4+) (±2 µg - 20 C) Zirconium

ProductNr CL00.0161 CL02.0104 CL02.0103 CL02.0108 CL00.0230 CL00.0313 CL00.0354 CL02.0305 CL02.0306 CL02.0307 CL02.0321 CL00.0231 CL00.0311 CL00.0361 CL00.0617 CL00.0809 CL02.1202 GFAAS-, AAS-, FE- Matrix Modifiers and Ionisation Suppressors Ammonia 25 weight % solution (ultra pure) 250 g NH3 / kg For laboratory use, AAS and ICP Ammonium dihydrogen phosphate 4% solution 40 g (NH4)H2PO4 / l H2O (33 µg PO4/µl) Matrix modifier for Flameless AAS Ammonium fluoride 5% solution 50 g NH4F / l H2O For AAS Ascorbic acid (L(+)), 10% solution 10 g C6H8O6 For AAS Boric acid (ultra pure) 99.8+% H3BO3 For laboratory use, AAS and ICP Cesium chloride a.r. 99.5+% CsCl For laboratory use and AAS Cesium chloride (ultra pure) 99.995+% CsCl For laboratory use, AAS and ICP Cesium chloride 5% Cs(1+) solution 63.34 g CsCl / l H2O For AAS Cesium chloride-aluminium nitrate buffer 50 g CsCl+250 g Al(NO3)3.9H2O / l H2O For AAS and FE Cesium chloride-lanthanum chloride buffer 10 g CsCl + 267 g LaCl3.7H2O / l H2O For AAS and FE Cesium chloride-lanthanum nitrate buffer 10 g CsCl + 312 g La(NO3)3.6H2O / l HNO3 1 mol/l For AAS and FE Hydrobromic acid 48% (ultra pure) 48+% HBr For laboratory use, AAS and ICP Hydrochloric acid 20% (ultra pure) 20+% HCl For laboratory use, AAS and ICP Hydrochloric acid 30% (ultra pure) 30+% HCl For laboratory use, AAS and ICP Hydrofluoric acid 40% (ultra pure) 40+% HF For laboratory use, AAS and ICP Hydroxylammonium chloride a.r. (max. 0.000001% Hg) 99+% H4ClNO For laboratory use, ACS, ISO, Ph. Eur. & AAS Hg Det. Lanthanum(III) chloride 10% La(3+) solution 267 g LaCl3.7H2O / l 2% HCl For AAS (Ca<5ppm) Pack Price 250 ml 18,90 1 l 53,90 100 ml 20,50 100 ml 8,00 500 ml 25,20 100 ml 14,00 50 g 26,50 500 g 202,30 25 g 33,20 25 g 55,70 100 g 158,50 100 ml 33,30 500 ml 110,50 1 l 62,30 1 l 65,10 5 l 257,80 1 l 65,10 5 l 257,80 250 ml 52,50 1 l 154,80 1 l 49,20 2,5 l 112,20 250 ml 18,70 1 l 52,60 2,5 l 112,20 250 ml 22,20 1 l 69,80 2,5 l 129,30 100 g 33,70 1 kg 205,70 2,5 kg 508,70 100 ml 23,80 500 ml 85,70

ProductNr CL02.1213 CL02.1203 CL00.1203 CL00.1217 CL00.1228 CL02.1205 CL00.1219 CL02.1206 CL00.1218 CL02.1301 CL00.1333 CL02.1419 CL00.1905 CL02.1601 CL02.1621 CL00.0615 CL00.1126 GFAAS-, AAS-, FE- Matrix Modifiers and Ionisation Suppressors Lanthanum(III) chloride 1% solution in 0.3 mol HCl 10 g LaCl3 / l 0.3 mol HCl *For AAS (Ca<1ppm) Lanthanum(III) nitrate 5% La(3+) solution 156 g La(NO3)3.6H2O / l 2% HNO3 For AAS (Ca<2ppm) Lanthanum(III) oxide a.r. 99.9+% La2O3 For laboratory use and AAS, low Calcium Lithium metaborate.2aq a.r. 99.5+% LiBO2.2H2O *For laboratory use, AAS Lithium metaborate anh. a.r. 99.9+% LiBO2 For laboratory use, AAS Lithium metaborate 5% solution 50 g LiBO2.2H2O / l H2O For Flameless AAS Lithium nitrate (ultra pure) 99+% LiNO3 For laboratory use, AAS and ICP Lithium nitrate 5% Li(1+)/l solution 500 g LiNO3 / l H2O For AAS and FE Lithium tetraborate (ultra pure) 98+% Li2B4O7 For laboratory use, AAS and ICP Magnesium nitrate 2.11% solution 21.1 g Mg(NO3)2.6H2O / l H2O (2 µg Mg/µl) Matrix modifier for Flameless AAS Mercury (ultra pure) 99.999+% Hg For laboratory use, AAS and ICP Nickel(II) nitrate 4% solution 40 g Ni(NO3)2.6H2O / l H2O (8 µg Ni/µl) Matrix modifier for Flameless AAS Nitric acid 65% (ultra pure) 65+% HNO3 For laboratory use, AAS and ICP Palladium(II) nitrate 0.65% solution 6.5 g Pd(NO3)2.2H2O / l 1% HNO3 (3 µg Pd/µl) Matrix modifier for Flameless AAS Palladium(II) nitrate 2.5% solution 25 g Pd(NO3)2.2H2O / l 15% HNO3 (10 g Pd / l ± 0.2 g) Matrix modifier for Flameless AAS Phosphoric acid 85% (ultra pure) 85+% H3PO4 For laboratory use, AAS and ICP Potassium bromide (ultra pure) 99.5+% KBr For laboratory use, AAS and ICP Pack Price 1 l 38,20 100 ml 17,30 500 ml 65,10 250 g 89,80 1 kg 296,40 250 g 116,30 1 kg 392,10 500 g 296,70 500 ml 16,80 100 g 58,40 500 g 266,40 100 ml 9,50 500 ml 40,30 250 g 91,70 1 kg 343,60 100 ml 15,10 500 ml 53,40 100 g 59,10 1 kg 454,50 100 ml 15,10 500 ml 53,40 250 ml 26,80 1 l 78,80 2,5 l 164,50 100 ml 40,00 500 ml 185,80 50 ml 63,80 250 ml 139,50 1 l 328,50 100 g 40,00 500 g 139,20

ProductNr CL00.1125 CL02.1102 CL00.1131 CL02.1108 CL00.1806 CL00.1427 CL02.1403 CL02.1405 CL02.1413 CL00.1923 CL02.1904 CL02.1902 CL00.2613 CL00.2009 CL00.2019 CL02.2001 CL02.2101 GFAAS-, AAS-, FE- Matrix Modifiers and Ionisation Suppressors Potassium chloride (ultra pure) 99.5+% KCl For laboratory use, AAS and ICP Potassium chloride 5% K(1+) solution 96 g KCl / l H2O Ionisation suppressor for AAS (Na<100ppb) Potassium dichromate a.r. (max. 100 µg Hg/kg) 99.8+% K2Cr2O7 For laboratory use, AAS and ICP applications (Hg Det.), ACS, ISO Potassium nitrate 5% K(1+) solution 130 g KNO3 / l H2O Ionisation suppressor for AAS (Na<100ppb) Rubidium sulfate (ultra pure) 99+% Rb2SO4 For laboratory use, AAS and ICP Sodium acetate, anh. (ultra pure) 99+% CH3COONa For laboratory use, AAS and ICP Sodium borohydride 1% solution 1 g NaBH4 (stabilised) For AAS (hydride techniques) Sodium chloride 5% Na(1+) solution 125 g NaCl / l H2O Ionisation suppressor for AAS (K<100ppb) Sodium nitrate 5% Na(1+) solution 185 g NaNO3 / l H2O Ionisation suppressor for AAS (K<100ppb) Standard-oil Standard matrix oil 75 cst For elementar AAS & ICP spectroscopy Strontium nitrate 10% Sr(2+) solution 242 g Sr(NO3)2 / l H2O For AAS (Ca<5ppm) Strontium nitrate 5% Sr(2+) solution 121 g Sr(NO3)2 / l H2O For AAS (Ca<2ppm) Sulfuric acid 96% (ultra pure) 95+% H2SO4 For laboratory use, AAS and ICP Tetra fluoroboric acid 38% solution (ultra pure) 380 g HBF4 / kg sol For laboratory use, AAS and ICP Tin(II) chloride.2aq a.r. (max. 0.000001% Hg) 98+% SnCl2.2H2O For AAS (hydride techniques) Tin(II) chloride 10% solution 100 g SnCl2.2H2O / l 10% HCl (stabilised with Tin metal) For AAS (hydride techniques) Water (ultra pure) H2O - LF < 1 us - 0.4 µm, UV filtrated For laboratory use, AAS and ICP Pack Price 50 g 22,10 1 kg 142,50 100 ml 7,80 500 ml 25,20 100 g 12,30 500 g 53,60 100 ml 7,30 500 ml 25,20 25 g 68,40 100 g 268,80 50 g 21,40 500 g 90,50 100 ml 12,90 100 ml 9,70 500 ml 42,30 100 ml 9,70 500 ml 40,30 2,5 l 96,80 100 ml 15,70 500 ml 62,60 100 ml 9,50 500 ml 40,30 250 ml 52,70 1 l 151,10 1 l 159,00 250 ml 39,50 100 g 32,50 100 ml 14,00 500 ml 58,00 5 l 10,90 10 l 18,90 20 l 26,70

ProductNr CL01.0116 CL01.0246 CL01.0346 CL01.0355 CL01.0376 CL01.0378 CL01.0616 CL01.0816 CL01.0817 CL01.0836 CL01.2316 CL01.1006 CL01.1446 CL01.1456 CL01.1956 CL01.1986 IC - Ion Spectrophotometrie Mono Element 1.000 ppm Standard Solutions (Ion ECON) Ammonia standard solution (Ion ECON) 2.97 g NH4Cl / l H2O Solution contains 1.000µg/ml of NH4+ (±2 µg - 20 C) Bromide standard solution (Ion ECON) 1.489 g KBr / l H2O Solution contains 1.000µg/ml of Br- (±2 µg - 20 C) Chloride standard solution (Ion ECON) 2.1 g KCl / l H2O Solution contains 1.000µg/ml of Cl- (±2 µg - 20 C) Chromate standard solution (Ion ECON) 1.471 g K2Cr2O7 / l H2O Solution contains 1.000µg/ml of CrO3 (±2 µg - 20 C) Cyanide standard solution (Ion ECON) 2.503 g KCN / l H2O (Keep Cool!) Solution contains 1.000µg/ml of CN- (±2 µg - 20 C) Cyanide standard solution (Ion ECON) 2.1092 g K3(Fe(CN)6) / l H2O *Solution contains 1.000 µg/ml of CN- (±2 µg - 20 C) Fluoride standard solution (Ion ECON) 2.21 g NaF / l H2O Solution contains 1.000µg/ml of F- (±2 µg - 20 C) Hardness standard solution (Ion ECON) 1.786 g CaCO3 / l 0.4% HCl Solution contains 100 DH (±0.3 DH - 20 C) Hardness standard solution (Ion ECON) 1 g CaCO3 / l 0.4% HCl Solution contains 100 FH (±0.3 FH - 20 C) Hydrazine standard solution (Ion ECON) 4.1 g N2H4.H2SO4 / l H2O Solution contains 1.000µg/ml of N2H4+ (±2 µg - 20 C) Hydrogen carbonate standard solution (Ion ECON) 1.377 g NaHCO3 / l H2O Solution contains 1.000µg/ml of HCO3- (±2 µg - 20 C) Iodide standard solution (Ion ECON) 1.308 g KI / l H2O Solution contains 1.000µg/ml of I- (±2 µg - 20 C) Nitrate standard solution (Ion ECON) 1.63 g KNO3 / l H2O Solution contains 1.000µg/ml of NO3- (±2 µg - 20 C) Nitrite standard solution (Ion ECON) 1.50 g NaNO2 / l H2O Solution contains 1.000µg/ml of NO2- (±2 µg - 20 C) Nitrogen standard solution (Ion ECON) 3.81 g NH4Cl / l H2O Solution contains 1.000µg/ml of N (±2 µg - 20 C) Nitrogen standard solution (Ion ECON) 4.9262 g NaNO2 / l H2O Solution contains 1.000µg/ml of N (±2 µg - 20 C) Pack Price 500 ml 47,10

ProductNr CL01.1996 CL01.0627 CL01.0625 CL01.1946 CL01.1976 IC - Ion Spectrophotometrie Mono Element 1.000 ppm Standard Solutions (Ion ECON) Nitrogen standard solution (Ion ECON) 7.218 g KNO3 / l H2O Solution contains 1.000µg/ml of N (±2 µg - 20 C) Phosphate standard solution (Ion ECON) 2.2 g NaNH4HPO4.4H2O / l H2O Solution contains 1.000µg/ml of PO4(3-) (±2 µg - 20 C) Phosphate standard solution (Ion ECON) 1.032 g H3PO4 / l H2O Solution contains 1.000µg/ml of PO4(3-) (±2 µg - 20 C) Silicate standard solution (Ion ECON) 1 g SiO2 / l 0.4% NaOH Solution contains 1.000µg/ml of SiO2 (±2 µg - 20 C) Sulfate standard solution (Ion ECON) 1.479 g Na2SO4 / l H2O Solution contains 1.000µg/ml of SO4(2-) (±2 µg - 20 C) Pack Price

ProductNr CL01.0381 CL01.0382 CL01.0383 CL01.0384 CL01.0386 CL01.0387 COD - Chemical Oxygen Demand Standard Solutions COD Standard solution (50 COD units) 42.7 mg C8H5O4K / l H2O SF, Titrimetric COD Det. (50 COD units) COD Standard solution (500 COD units) 426.5 mg C8H5O4K / l H2O SF, Titrimetric COD Det. (500 COD units) COD Standard solution (5.000 COD units) 4.265 g C8H5O4K / l H2O SF, Titrimetric COD Det. (5000 COD units) COD Standard solution (200 COD units) 170.6 mg C8H5O4K / l H2O SF, Titrimetric COD Det. acc. DIN38409 & H44 (200 COD units) COD Standard solution (1000 COD units) 666 mg C32H12CuN8Na4O12S4 / l H2O Aqueous sol. for COD Det. standard (acc. NFT 90-101) COD Standard solution (1000 COD units) 853 mg C8H5O4K / H2O SF, Titrimetric COD Det. (1000 COD units) Pack Price 1 l 51,20 1 l 51,20 1 l 51,20 100 ml 15,90 500 ml 30,50 1 l 51,20 1 l 51,20

ProductNr CL01.2081 CL01.2083 CL01.2086 CL01.2086.050 CL01.2086.100 CL01.2086.500 CL01.2087 CL01.2087.050 CL01.2087.100 CL01.2087.500 TOC - Total Oxidizable Carbon Standard Solutions TOC 10.000 mg/l standard solution (organic) 21.255 g C8H5O4K / l H2O Solution contains 10.000µg C(4+)/ml (±50 µg - 20 C) TOC 10.000 mg/l standard solution (inorganic) 44.122 g Na2CO3 + 34.972 g NaHCO3 / l H2O Solution contains 10.000µg C(4+)/ml (±50 µg - 20 C) TOC 1.000 mg/l Standard solution (organic) 2.1255 g C8H5O4K/ l H2O Solution contains 1.000µg C(4+)/ml (±5 µg - 20 C) TOC 50 mg/l Standard solution (organic) 0.1063 g C8H5O4K / l H2O Solution contains 50µg C(4+)/ml (±0.3 µg - 20 C) TOC 100 mg/l Standard solution (organic) 0.2126 g C8H5O4K / l H2O Solution contains 100µg C(4+)/ml (±0.5 µg - 20 C) TOC 500 mg/l Standard solution (organic) 1.063 g C8H5O4K / l H2O Solution contains 500µg C(4+)/ml (±3 µg - 20 C) TOC 1.000 mg/l standard solution (inorganic) 4.4122 g Na2CO3 + 3.4972 g NaHCO3 / l H2O Solution contains 1.000µg C(4+)/ml (±5 µg - 20 C) TOC 50 mg/l standard solution (inorganic) 0.2206 g Na2CO3 + 0.1749 g NaHCO3 / l H2O Solution contains 50µg C(4+)/ml (±0.3 µg - 20 C) TOC 100 mg/l standard solution (inorganic) 0.4412 g Na2CO3 + 0.3498 g NaHCO3 / l H2O Solution contains 100µg C(4+)/ml (±0.5 µg - 20 C) TOC 500 mg/l standard solution (inorganic) 2.2061 g Na2CO3 + 1.7486 g NaHCO3 / l H2O TMAR TOC Det. acc. SERES - 500µg C(4+)/ml (±3 µg - 20 C) Pack Price 1 l 51,30 1 l 51,30 1 l 51,30 1 l 51,30 1 l 51,30 1 l 51,30 1 l 51,30 1 l 51,30 1 l 51,30 1 l 51,30

ProductNr CL02.0328 Colour, Turbidity & UV-VIS Spectrofotometer Calibration Standard Solutions Chromate calibration solution 100 mg K2Cr2O7 / l H2SO4 0.005 mol/l Absorption calibration sol. for spectrofotometers Pack Price 250 ml 20,20 CL01.0860 CL01.0661 CL02.0804 Colour stock standard solution 500 A.P.H.A. units 1.246 g K2PtCl6 + 1 g CoCl2.6H2O + 100 ml HCl 37% / l H2O For laboratory use, Colour measurements Formazine turbidity standard 40 NTU 50 mg H4N2.H2SO4 + 500 mg C6H12N4 / l H2O Turbidimetric standard sol. Holmium(III) oxide calibration solution 5% Ho2O3 / 1.4 mol/l HClO4 Wavelenght calibration sol. for spectrofotometers 100 ml 22,90 500 ml 51,30 1 l 79,60 500 ml 34,80 1 l 55,30 100 ml 82,30