MEASURAND Mass fraction of Zinc in bovine liver
NOMINAL VALUE 50 mg/kg to 500 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
MEASURAND Mass fraction of Nickel in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
MEASURAND Mass fraction of Phosphorus in bovine liver
NOMINAL VALUE 5 mg/g to 50 mg/g
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/g.
MEASURAND Mass fraction of Sulfur in bovine liver
NOMINAL VALUE 1 mg/g to 30 mg/g
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/g.
MEASURAND Mass fraction of Manganese in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
MEASURAND Mass fraction of Molybdenum in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
MEASURAND Mass fraction of Chromium in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
MEASURAND Mass fraction of Strontium in bovine liver
NOMINAL VALUE 50 µg/kg to 500 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
MEASURAND Mass fraction of Lead in bovine liver
NOMINAL VALUE 10 µg/kg to 300 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
MEASURAND Mass fraction of Cobalt in bovine liver
NOMINAL VALUE 10 µg/kg to 300 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
MEASURAND Mass fraction of Arsenic in bovine liver
NOMINAL VALUE 1 µg/kg to 100 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
MEASURAND Mass fraction of Mercury in bovine liver
NOMINAL VALUE 1 µg/kg to 100 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
MEASURAND Mass fraction of Zinc in bovine liver
NOMINAL VALUE 50 mg/kg to 500 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg/kg |
mg/kg |
mg/kg |
||
| INRAP | -26.5 | 19.1 | ||
| VNIIM | -20 | 18 | ||
| LATU | -3 | 12 | ||
| INACAL | -3.1 | 18 | ||
| GL | -2.6 | 16 | ||
| NMIA | -2.1 | 9 | ||
| NIM | -1.7 | 11 | ||
| KRISS | -1.7 | 14 | ||
| LGC | -1.7 | 8 | ||
| NMISA | -1.7 | 12 | ||
| MIRS/IJS/F-2,O-2 | -1 | 28 | ||
| NIST | 0.0 | 4.7 | ||
| UME | 1 | 8 | ||
| HSA | 3 | 14 | ||
| PTB | 3.2 | 4.2 | ||
| RISE | 4.3 | 6.8 | ||
| MIKES-SYKE | 4.7 | 23.1 | ||
| INM (CO) | 5 | 13.2 | ||
| NRC | 6 | 10 | ||
| NIMT | 6 | 26.4 | ||
| NMIJ | 6 | 6.5 | ||
| KEBS | 18 | 33 | ||
| INRIM | 35.5 | 20.2 |
MEASURAND Mass fraction of Nickel in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg/kg |
mg/kg |
mg/kg |
||
| VNIIM | -1.88 | 0.059 | ||
| NMISA | -1.12 | 0.090 | ||
| NIMT | -0.37 | 0.13 | ||
| MIRS/IJS/F-2,O-2 | -0.09 | 0.23 | ||
| INM (CO) | -0.08 | 0.14 | ||
| GL | -0.08 | 0.19 | ||
| LNE | -0.064 | 0.16 | ||
| NIST | -0.038 | 0.064 | ||
| KRISS | -0.029 | 0.082 | ||
| INACAL | -0.01 | 0.13 | ||
| NMIA | -0.002 | 0.11 | ||
| NIM | 0.000 | 0.068 | ||
| NMIJ | 0.03 | 0.06 | ||
| RISE | 0.033 | 0.12 | ||
| NRC | 0.05 | 0.11 | ||
| PTB | 0.055 | 0.086 | ||
| LATU | 0.06 | 0.13 | ||
| LGC | 0.109 | 0.097 | ||
| UME | 0.13 | 0.08 | ||
| HSA | 0.16 | 0.2 | ||
| KEBS | 2.61 | 1.9 |
MEASURAND Mass fraction of Phosphorus in bovine liver
NOMINAL VALUE 5 mg/g to 50 mg/g
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/g.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg/g |
mg/g |
mg/g |
||
| VNIIM | -0.75 | 0.53 | ||
| NMISA | -0.19 | 0.27 | ||
| NMIJ | -0.14 | 0.25 | ||
| NIM | -0.13 | 0.31 | ||
| LATU | 0.00 | 0.31 | ||
| UME | 0.15 | 0.27 | ||
| NRC | 0.30 | 0.63 |
MEASURAND Mass fraction of Sulfur in bovine liver
NOMINAL VALUE 1 mg/g to 30 mg/g
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/g.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg/g |
mg/g |
mg/g |
||
| VNIIM | -0.65 | 0.46 | ||
| NIM | -0.08 | 0.23 | ||
| HSA | -0.05 | 0.38 | ||
| NRC | 0.14 | 0.33 |
MEASURAND Mass fraction of Manganese in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg/kg |
mg/kg |
mg/kg |
||
| VNIIM | -0.66 | 0.36 | ||
| LNE | -0.27 | 0.54 | ||
| MIRS/IJS/F-2,O-2 | -0.18 | 0.34 | ||
| EXHM/GCSL-EIM | -0.059 | 0.49 | ||
| NIMT | -0.04 | 0.27 | ||
| INRAP | -0.01 | 0.52 | ||
| NIM | 0.005 | 0.13 | ||
| KRISS | 0.005 | 0.23 | ||
| INACAL | 0.02 | 0.21 | ||
| LATU | 0.04 | 0.25 | ||
| NMIJ | 0.17 | 0.13 | ||
| NMISA | 0.95 | 0.28 | ||
| INRIM | 0.96 | 0.36 | ||
| KEBS | 0.97 | 1.3 |
MEASURAND Mass fraction of Molybdenum in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg/kg |
mg/kg |
mg/kg |
||
| VNIIM | -0.21 | 0.1 | ||
| INRAP | -0.19 | 0.13 | ||
| LNE | -0.14 | 0.12 | ||
| NIMT | -0.058 | 0.04 | ||
| NMISA | -0.016 | 0.04 | ||
| KRISS | -0.009 | 0.10 | ||
| HSA | -0.002 | 0.04 | ||
| NMIA | 0.002 | 0.03 | ||
| MIRS/IJS/F-2,O-2 | 0.002 | 0.14 | ||
| INM (CO) | 0.003 | 0.05 | ||
| NIM | 0.011 | 0.03 | ||
| KEBS | 0.36 | 0.22 |
MEASURAND Mass fraction of Chromium in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg/kg |
mg/kg |
mg/kg |
||
| VNIIM | -4.04 | 0.10 | ||
| NMISA | -2.56 | 0.17 | ||
| NIMT | -0.94 | 0.25 | ||
| LNE | -0.25 | 0.32 | ||
| KRISS | -0.196 | 0.13 | ||
| NMIA | -0.09 | 0.16 | ||
| NIM | -0.080 | 0.14 | ||
| NMIJ | -0.01 | 0.12 | ||
| LATU | 0.00 | 0.28 | ||
| RISE | 0.01 | 0.19 | ||
| HSA | 0.06 | 0.22 | ||
| UME | 0.09 | 0.2 | ||
| MIRS/IJS/F-2,O-2 | 0.17 | 0.30 | ||
| INRIM | 0.51 | 0.32 | ||
| KEBS | 0.83 | 0.73 |
MEASURAND Mass fraction of Strontium in bovine liver
NOMINAL VALUE 50 µg/kg to 500 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
µg/kg |
µg/kg |
µg/kg |
||
| VNIIM | -2 | 19 | ||
| NIM | -0.04 | 12 | ||
| NIMT | -0.04 | 19 | ||
| LATU | 0.2 | 11 | ||
| NRC | 2 | 19 |
MEASURAND Mass fraction of Lead in bovine liver
NOMINAL VALUE 10 µg/kg to 300 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
µg/kg |
µg/kg |
µg/kg |
||
| VNIIM | -2.9 | 8 | ||
| NIMT | -3 | 6 | ||
| LATU | -2.4 | 6 | ||
| INM (CO) | -1.2 | 8.8 | ||
| LNE | -0.8 | 5.1 | ||
| LGC | -0.8 | 2.7 | ||
| MIKES-SYKE | -0.6 | 10 | ||
| NIM | 0.65 | 2.6 | ||
| KRISS | 0.9 | 5.7 | ||
| UME | 0.9 | 2.9 | ||
| HSA | 1.2 | 5.3 | ||
| NRC | 2 | 10 | ||
| PTB | 3.2 | 5.3 | ||
| NMISA | 5.6 | 4.8 | ||
| KEBS | 14.8 | 52 |
MEASURAND Mass fraction of Cobalt in bovine liver
NOMINAL VALUE 10 µg/kg to 300 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
µg/kg |
µg/kg |
µg/kg |
||
| VNIIM | -27.5 | 7.6 | ||
| NIMT | -5 | 12 | ||
| LATU | -0.4 | 6.6 | ||
| NIM | 0.1 | 5.3 | ||
| KRISS | 1 | 11 | ||
| MIRS/IJS/F-2,O-2 | 2 | 9 | ||
| EXHM/GCSL-EIM | 2.4 | 11 |
MEASURAND Mass fraction of Arsenic in bovine liver
NOMINAL VALUE 1 µg/kg to 100 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
µg/kg |
µg/kg |
µg/kg |
||
| EXHM/GCSL-EIM | -0.94 | 1.2 | ||
| LNE | -0.8 | 1.5 | ||
| NIMT | 0.3 | 2.0 | ||
| NIM | 0.67 | 1.2 | ||
| UME | 0.7 | 1.3 | ||
| INM (CO) | 8.8 | 2.3 | ||
| VNIIM | 14.6 | 6.3 |
MEASURAND Mass fraction of Mercury in bovine liver
NOMINAL VALUE 1 µg/kg to 100 µg/kg
Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µg/kg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
µg/kg |
µg/kg |
µg/kg |
||
| INM (CO) | -3.2 | 1.7 | ||
| NIMT | -2.0 | 1.4 | ||
| MIKES-SYKE | -0.79 | 1.8 | ||
| HSA | -0.25 | 1.1 | ||
| NRC | -0.2 | 4.5 | ||
| RISE | -0.2 | 1.5 | ||
| MIRS/IJS/F-2,O-2 | 0.1 | 1.4 | ||
| NIM | 0.81 | 1.8 | ||
| LNE | 1.1 | 1.8 | ||
| UME | 1.1 | 1.2 | ||
| VNIIM | 2.4 | 4.3 |
| Metrology area, Sub-field | Chemistry and Biology, Inorganics |
| Description | Toxic and essential elements in bovine liver powder |
| Time of measurements | 2017 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| Measurand | Mass fraction of elements at different concentration levels P (5 - 50) mg/g ; S (1 - 30) mg/g ; Zn (50 - 500) mg/kg; |
| Transfer device | Bovine liver powder samples |
| Comparison type | Key Comparison |
| Consultative Committee | CCQM (Consultative Committee for Amount of Substance) |
| Conducted by | CCQM (Consultative Committee for Amount of Substance) |
| Comments | Results published on 29 July 2020 |
| Pilot institute |
NIM
National Institute of Metrology China |
| Contact person | J. Wang +86 10 8425 1244 |
| Pilot laboratory | |
|---|---|
| NIM |
National Institute of Metrology, China, APMP |
| EXHM/GCSL-EIM |
National Laboratory of Chemical Metrology/GCSL - Hellenic Institute of Metrology, Greece, EURAMET |
| GL |
Government Laboratory, Hong Kong, China, APMP |
| HSA |
Health Science Authority, Singapore, APMP |
| INACAL |
National Institute for Quality, Peru, SIM |
| INM (CO) |
Instituto Nacional de Metrología de Colombia, Colombia, SIM |
| INRAP |
Institut National de Recherche et d'Analyse Physico-Chimique, Tunisia, AFRIMETS |
| INRIM |
Istituto Nazionale di Ricerca Metrologica, Italy, EURAMET |
| KEBS |
Kenya Bureau of Standards, Kenya, AFRIMETS |
| KRISS |
Korea Research Institute of Standards and Science, Korea, Republic of, APMP |
| LATU |
Laboratorio Tecnologico del Uruguay, Uruguay, SIM |
| LGC |
Laboratory of the Government Chemist, United Kingdom, EURAMET |
| LNE |
Laboratoire national de métrologie et d'essais, France, EURAMET |
| MIKES-SYKE |
Finnish Environment Institute, Finland, EURAMET |
| MIRS/IJS/F-2,O-2 |
MIRS/Jozef Stefan Institute/Low and Medium Energy Physics F2, Environmental Sciences O2, Slovenia, EURAMET |
| NIMT |
National Institute of Metrology (Thailand), Thailand, APMP |
| NIST |
National Institute of Standards and Technology, United States, SIM |
| NMIA |
National Measurement Institute, Australia, Australia, APMP |
| NMIJ AIST |
National Metrology Institute of Japan, Japan, APMP |
| NMISA |
National Metrology Institute of South Africa, South Africa, AFRIMETS |
| NRC |
National Research Council, Canada, SIM |
| PTB |
Physikalisch-Technische Bundesanstalt, Germany, EURAMET |
| RISE |
Research Institutes of Sweden AB, Sweden, EURAMET |
| UME |
TÜBITAK Ulusal Metroloji Enstitüsü, Türkiye, EURAMET |
| VNIIFTRI |
Institute of Physical Technical and Radiotechnical Measurements, Rosstandart, Russian Federation, COOMET |
| VNIIM |
D.I. Mendeleyev Institute for Metrology, Rosstandart, Russian Federation, COOMET |
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MEASURAND Mass fraction of Zinc in bovine liver
NOMINAL VALUE 50 mg/kg to 500 mg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the median of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 456.20 mg/kg uR = 1.19 mg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in mg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Nickel in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the median of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 2.022 mg/kg uR = 0.025 mg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in mg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Phosphorus in bovine liver
NOMINAL VALUE 5 mg/g to 50 mg/g
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the arithmetic mean of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 11.40 mg/g uR = 0.10 mg/g
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in mg/g:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Sulfur in bovine liver
NOMINAL VALUE 1 mg/g to 30 mg/g
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the arithmetic mean of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 6.873 mg/g uR = 0.099 mg/g
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in mg/g:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Manganese in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the median of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 5.745 mg/kg uR = 0.023 mg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in mg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Molybdenum in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the median of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 1.548 mg/kg uR = 0.004 mg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in mg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Chromium in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the median of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 4.380 mg/kg uR = 0.050 mg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in mg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Strontium in bovine liver
NOMINAL VALUE 50 µg/kg to 500 µg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the arithmetic mean of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 321.04 µg/kg uR = 3.41 µg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in µg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Lead in bovine liver
NOMINAL VALUE 10 µg/kg to 300 µg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the arithmetic mean of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 144.65 µg/kg uR = 0.59 µg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in µg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Cobalt in bovine liver
NOMINAL VALUE 10 µg/kg to 300 µg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the arithmetic mean of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 126.07 µg/kg uR = 2.04 µg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in µg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Arsenic in bovine liver
NOMINAL VALUE 1 µg/kg to 100 µg/kg
The key comparison reference value xR and its associated standard uncertainty uR are obtained from the arithmetic mean of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 10.57 µg/kg uR = 0.45 µg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in µg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Mercury in bovine liver
NOMINAL VALUE 1 µg/kg to 100 µg/kg
The key comparison reference value xR and its associated standard uncertainty uR are based on the median of the participants' results excluding outliers results as reported in section 7.4 of the Final Report.
xR = 15.75 µg/kg uR = 0.47 µg/kg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in µg/kg:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (uR2 + ui2)1/2.
MEASURAND Mass fraction of Zinc in bovine liver
NOMINAL VALUE 50 mg/kg to 500 mg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| mg/kg | mg/kg | |
| INRAP | 429.71* | 9.48 |
| VNIIM | 436* | 9 |
| LATU | 453 | 5.6 |
| INACAL | 453.1 | 8.8 |
| GL | 453.6 | 7.7 |
| NMIA | 454.1 | 4.2 |
| NIM (1) | 454.5 | 5.5 |
| KRISS | 454.5 | 6.7 |
| LGC | 454.5 | 3.9 |
| NMISA | 454.5 | 6.1 |
| MIRS/IJS/F-2,O-2 | 455 | 14 |
| NIST | 456.2 | 2.0 |
| UME | 457 | 4 |
| HSA | 459 | 7.1 |
| PTB | 459.4 | 1.7 |
| RISE | 460.5 | 3.2 |
| MIKES-SYKE | 460.9 | 11.5 |
| INM (CO) | 461 | 6.5 |
| NRC | 462 | 5 |
| NIMT | 462 | 13.2 |
| NMIJ | 462 | 3 |
| KEBS | 474.22* | 16.46 |
| INRIM | 491.7* | 10.0 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Nickel in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| mg/kg | mg/kg | |
| VNIIM | 0.147* | 0.016 |
| NMISA | 0.902* | 0.038 |
| NIMT | 1.65* | 0.06 |
| MIRS/IJS/F-2,O-2 | 1.93 | 0.11 |
| INM (CO) | 1.94 | 0.06387 |
| GL | 1.942 | 0.092 |
| LNE | 1.958 | 0.075 |
| NIST | 1.984 | 0.020 |
| KRISS | 1.993 | 0.033 |
| INACAL | 2.01 | 0.06 |
| NMIA | 2.02 | 0.05 |
| NIM | 2.022 | 0.023 |
| NMIJ | 2.05 | 0.02 |
| RISE | 2.055 | 0.052 |
| NRC | 2.07 | 0.05 |
| PTB | 2.077 | 0.035 |
| LATU | 2.08 | 0.059 |
| LGC | 2.131 | 0.042 |
| UME | 2.15 | 0.03 |
| HSA | 2.18 | 0.08 |
| KEBS | 4.63* | 0.94 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Phosphorus in bovine liver
NOMINAL VALUE 5 mg/g to 50 mg/g
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| mg/g | mg/g | |
| VNIIM | 10.65* | 0.24 |
| NMISA | 11.203 | 0.092 |
| NMIJ | 11.26 | 0.07 |
| NIM | 11.27 | 0.12 |
| LATU | 11.40 | 0.12 |
| UME | 11.55 | 0.09 |
| NRC | 11.70 | 0.30 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Sulfur in bovine liver
NOMINAL VALUE 1 mg/g to 30 mg/g
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| mg/g | mg/g | |
| VNIIM | 6.22* | 0.21 |
| NIM | 6.79 | 0.06 |
| HSA | 6.82 | 0.16 |
| NRC | 7.01 | 0.13 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Manganese in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| mg/kg | mg/kg | |
| VNIIM | 5.09* | 0.18 |
| LNE | 5.48 | 0.27 |
| MIRS/IJS/F-2,O-2 | 5.57 | 0.17 |
| EXHM/GCSL-EIM | 5.686 | 0.245 |
| NIMT | 5.71 | 0.13 |
| INRAP | 5.74 | 0.26 |
| NIM | 5.75 | 0.06 |
| KRISS | 5.75 | 0.11 |
| INACAL | 5.77 | 0.10 |
| LATU | 5.79 | 0.12 |
| NMIJ | 5.91 | 0.06 |
| NMISA | 6.69* | 0.14 |
| INRIM | 6.70* | 0.18 |
| KEBS | 6.71* | 0.63 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Molybdenum in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| mg/kg | mg/kg | |
| VNIIM | 1.34* | 0.05 |
| INRAP | 1.36* | 0.066 |
| LNE | 1.41* | 0.06 |
| NIMT | 1.49 | 0.02 |
| NMISA | 1.532 | 0.021 |
| KRISS | 1.539 | 0.049 |
| HSA | 1.546 | 0.021 |
| NMIA | 1.550 | 0.015 |
| MIRS/IJS/F-2,O-2 | 1.55 | 0.07 |
| INM (CO) | 1.551 | 0.026 |
| NIM | 1.559 | 0.015 |
| KEBS | 1.91* | 0.11 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Chromium in bovine liver
NOMINAL VALUE 0.1 mg/kg to 10 mg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| mg/kg | mg/kg | |
| VNIIM | 0.345* | 0.015 |
| NMISA | 1.816* | 0.07 |
| NIMT | 3.44* | 0.11 |
| LNE | 4.13 | 0.15 |
| KRISS | 4.184 | 0.041 |
| NMIA | 4.29 | 0.06 |
| NIM | 4.303 | 0.046 |
| NMIJ | 4.37 | 0.03 |
| LATU | 4.38 | 0.13 |
| RISE | 4.39 | 0.079 |
| HSA | 4.44 | 0.10 |
| UME | 4.47 | 0.09 |
| MIRS/IJS/F-2,O-2 | 4.55 | 0.14 |
| INRIM | 4.89 | 0.15 |
| KEBS | 5.21* | 0.36 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Strontium in bovine liver
NOMINAL VALUE 50 µg/kg to 500 µg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| µg/kg | µg/kg | |
| VNIIM | 319 | 9 |
| NIM | 321.0 | 4.7 |
| NIMT | 321 | 9 |
| LATU | 321.2 | 4.3 |
| NRC | 323 | 9 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Lead in bovine liver
NOMINAL VALUE 10 µg/kg to 300 µg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| µg/kg | µg/kg | |
| VNIIM | 141.8 | 4 |
| NIMT | 142 | 3 |
| LATU | 142.2 | 3.0 |
| INM (CO) | 143.4 | 4.3 |
| LNE | 143.8 | 2.5 |
| LGC | 143.8 | 1.2 |
| MIKES-SYKE | 144.0 | 5.0 |
| NIM | 145.30 | 1.15 |
| KRISS | 145.6 | 2.8 |
| UME | 145.6 | 1.3 |
| HSA | 145.8 | 2.6 |
| NRC | 147 | 5 |
| PTB | 147.8 | 2.6 |
| NMISA | 150.2 | 2.3 |
| KEBS | 159.49* | 26.09 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Cobalt in bovine liver
NOMINAL VALUE 10 µg/kg to 300 µg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| µg/kg | µg/kg | |
| VNIIM | 98.6* | 3.2 |
| NIMT | 121 | 5.6 |
| LATU | 125.7 | 2.6 |
| NIM | 126.2 | 1.7 |
| KRISS | 127 | 5 |
| MIRS/IJS/F-2,O-2 | 128 | 4 |
| EXHM/GCSL-EIM | 128.5 | 4.9 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Arsenic in bovine liver
NOMINAL VALUE 1 µg/kg to 100 µg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| µg/kg | µg/kg | |
| EXHM/GCSL-EIM | 9.63 | 0.44 |
| LNE | 9.8 | 0.6 |
| NIMT | 10.9 | 0.91 |
| NIM | 11.24 | 0.42 |
| UME | 11.3 | 0.5 |
| INM (CO) | 19.4* | 1.1 |
| VNIIM | 25.2* | 3.1 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
MEASURAND Mass fraction of Mercury in bovine liver
NOMINAL VALUE 1 µg/kg to 100 µg/kg
xi measurement value reported by participant laboratory i, Lab i
ui combined standard uncertainty of xi
| Labi | xi | ui |
| µg/kg | µg/kg | |
| INM (CO) | 12.6* | 0.69 |
| NIMT | 13.8 | 0.52 |
| MIKES-SYKE | 14.96 | 0.75 |
| HSA | 15.50 | 0.33 |
| NRC | 15.6 | 2.2 |
| RISE | 15.6 | 0.62 |
| MIRS/IJS/F-2,O-2 | 15.9 | 0.5 |
| NIM | 16.56 | 0.78 |
| LNE | 16.9 | 0.8 |
| UME | 16.9 | 0.4 |
| VNIIM | 18.2 | 2.1 |
Note: * reported value is not included in the calculation of the key comparison reference value.
Note: VNIIM is referred to as UNIIM in the Final report
