Range of Certified Values in Reference Materials. Range of Expanded Uncertainties as Disseminated. Is the expanded uncertainty a relative one?
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1 Calibration and Capabilities Amount of substance, sediments, s, Germany, (Bundesanstalt für Materialforschung und -prüfung), The uncertainty ranges given in the following CMCs may be expressed according to two conventions. For ' convention 1', the uncertainty range spans from the smallest numerical value of the uncertainty to the largest numerical value of the uncertainty found within the quantity range. For ' ', the uncertainty range is expressed as the uncertainty of the smallest The uncertainties correspond to k = 2 (level of confidence 95%) Sub- Capability I Sediments sediment nickel Mass fraction µg/g % Yes I Sediments sediment chromium Mass fraction µg/g % Yes I Sediments sediment zinc Mass fraction µg/g % Yes I Sediments sediment lead Mass fraction µg/g % Yes I Sediments sediment cadmium Mass fraction µg/g % Yes I Soils soils p,p'-ddt Mass fraction µg/g 8 3 % Yes I Soils soils p,p'-dde Mass fraction µg/g 8 3 % Yes I Soils soils o,p'-ddt Mass fraction µg/g 8 3 % Yes I Soils soils alpha-hch Mass fraction µg/g 8 3 % Yes I Soils soils beta-hch Mass fraction µg/g 8 3 % Yes I Soils soils p,p'-ddt Mass fraction µg/g 8 3 % Yes µg/g % Yes CRM -U007 I Soils soils p,p'-dde Mass fraction µg/g 8 3 % Yes µg/g % Yes CRM -U007 I Soils soils o,p'-ddt Mass fraction µg/g 8 3 % Yes µg/g % Yes CRM -U007 I Soils soils alpha-hch Mass fraction µg/g 8 3 % Yes µg/g % Yes CRM -U007 I Soils soils beta-hch Mass fraction µg/g 8 3 % Yes µg/g % Yes CRM -U007 I Soils soils pentachlorophenol (PCP) Mass fraction µg/g 5 2 % Yes I Sediments sediments PCB 28 Mass fraction µg/g 10 3 % Yes I Sediments sediments PCB 52 Mass fraction µg/g 10 3 % Yes I Sediments sediments PCB 101 Mass fraction µg/g 10 3 % Yes I Sediments sediments PCB 138 Mass fraction µg/g 10 3 % Yes I Sediments sediments PCB 153 Mass fraction µg/g 10 3 % Yes I Sediments sediments PCB 170 Mass fraction µg/g 10 3 % Yes Values in Delivery The BIPM key comparison database, 1/5
2 Calibration and Capabilities Amount of substance, sediments, s, Germany, (Bundesanstalt für Materialforschung und -prüfung), The uncertainty ranges given in the following CMCs may be expressed according to two conventions. For ' convention 1', the uncertainty range spans from the smallest numerical value of the uncertainty to the largest numerical value of the uncertainty found within the quantity range. For ' ', the uncertainty range is expressed as the uncertainty of the smallest The uncertainties correspond to k = 2 (level of confidence 95%) Sub- Capability Values in Delivery I Sediments sediments PCB 180 Mass fraction µg/g 10 3 % Yes I Sediments sediment thallium Mass fraction µg/g % Yes I inciration ash thallium Mass fraction µg/g % Yes I a Ores ore iron Mass fraction % % Yes % % Yes I b Ores ore silicon Mass fraction % % Yes % % Yes I c Ores ore aluminium Mass fraction % % Yes % % Yes I d Ores ore calcium Mass fraction % % Yes % % Yes I e Ores ore magsium Mass fraction % % Yes % % Yes I f Ores ore mangase Mass fraction % % Yes % % Yes I g Ores ore phosphorus Mass fraction % 5 1 % Yes % % Yes I h Ores ore sulfur Mass fraction % % Yes % % Yes I i Ores ore sodium Mass fraction % % Yes % % Yes I j Ores ore potassium Mass fraction % % Yes % % Yes I k Ores ore titanium Mass fraction % % Yes % % Yes I a silicon Mass fraction % % Yes % % Yes 01 March 01 March The BIPM key comparison database, 2/5
3 Calibration and Capabilities Amount of substance, sediments, s, Germany, (Bundesanstalt für Materialforschung und -prüfung), The uncertainty ranges given in the following CMCs may be expressed according to two conventions. For ' convention 1', the uncertainty range spans from the smallest numerical value of the uncertainty to the largest numerical value of the uncertainty found within the quantity range. For ' ', the uncertainty range is expressed as the uncertainty of the smallest The uncertainties correspond to k = 2 (level of confidence 95%) I b I c I d I e SedSoil-1 SedSoil-2 SedSoil-3 SedSoil-4 SedSoil-5 SedSoil-6 Sub- Capability Values in calcium Mass fraction % % Yes % % Yes aluminium Mass fraction % % Yes % % Yes iron Mass fraction % % Yes % % Yes titanium Mass fraction % 4 1 % Yes % % Yes cadmium Mass fraction mg/kg % Yes chromium Mass fraction mg/kg 2 3 % Yes copper Mass fraction mg/kg % Yes nickel Mass fraction mg/kg 1 3 % Yes lead Mass fraction mg/kg 1 2 % Yes zinc Mass fraction mg/kg % Yes SedSoil-7 Soils soil phenanthre Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No Delivery, ERM- 23 November convention convention 1 30 July 2009 SedSoil-8 Soils soil fluoranthe Mass fraction µg/g 8 2 % Yes mg/kg mg/kg No, ERM- SedSoil-9 Soils soil benz[a ]anthrace Mass fraction µg/g 8 2 % Yes mg/kg mg/kg No, ERM- The BIPM key comparison database, 3/5
4 Calibration and Capabilities Amount of substance, sediments, s, Germany, (Bundesanstalt für Materialforschung und -prüfung), The uncertainty ranges given in the following CMCs may be expressed according to two conventions. For ' convention 1', the uncertainty range spans from the smallest numerical value of the uncertainty to the largest numerical value of the uncertainty found within the quantity range. For ' ', the uncertainty range is expressed as the uncertainty of the smallest The uncertainties correspond to k = 2 (level of confidence 95%) Sub- Capability Values in Delivery SedSoil-10 Soils soil benzo[a ]pyre Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No, ERM- SedSoil-11 Soils soil benzo[ghi ]peryle Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No, ERM- SedSoil-12 Soils soil naphthale Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No SedSoil-13 Soils soil acenaphthe Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No SedSoil-14 Soils soil fluore Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No SedSoil-15 Soils soil anthrace Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No SedSoil-16 Soils soil pyre Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No SedSoil-17 Soils soil chryse Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No SedSoil-18 Soils soil SedSoil-19 Soils soil benzo[b ]fluoranthe benzo[k ]fluoranthe Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No The BIPM key comparison database, 4/5
5 Calibration and Capabilities Amount of substance, sediments, s, Germany, (Bundesanstalt für Materialforschung und -prüfung), The uncertainty ranges given in the following CMCs may be expressed according to two conventions. For ' convention 1', the uncertainty range spans from the smallest numerical value of the uncertainty to the largest numerical value of the uncertainty found within the quantity range. For ' ', the uncertainty range is expressed as the uncertainty of the smallest The uncertainties correspond to k = 2 (level of confidence 95%) Sub- SedSoil-20 Soils soil SedSoil-21 Soils soil dibenz[ah] anthrace indeno[1,2,3- cd ]pyre Capability Values in Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No Mass fraction µg/g 8 5 % Yes mg/kg mg/kg No SedSoil-22 Sediments sediment tributyltin (TBT) Amount content nmol/g 5 2 % Yes SedSoil-23 Sediments sediment dibutyltin (DBT) Amount content nmol/g 8 3 % Yes AC-Sed-001 Sediments sediment lead Amount content µmol/kg % Yes s s s s s phenanthre Mass fraction mg/kg 10 5 % Yes fluoranthe Mass fraction mg/kg 10 5 % Yes benz[a ]anthrace Mass fraction mg/kg 10 5 % Yes benzo[a ]pyre Mass fraction mg/kg 10 5 % Yes benzo[ghi ]peryle Mass fraction mg/kg 10 5 % Yes Delivery PTB/-Pb 0001 calibration PTB 02 November 02 November 02 July 2007 The BIPM key comparison database, 5/5
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