| Metrology area, Sub-field | Chemistry and Biology, Inorganics |
| Description | Analysis of trace elements as impurities in alumina powder |
| Time of measurements | 2018 - 2019 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| Measurand | Mass fraction of elements namely, iron (Fe), magnesium (Mg), and silicon (Si) in alumina expressed in mg/kg Expected mass fraction ranges Fe : from 1 mg/kg to 20 mg/kg Mg : from 1 mg/kg to 20 mg/kg Si : from 1 mg/kg to 20 mg/kg |
| Transfer device | Alumina powder in PFA bottle |
| Comparison type | Key Comparison |
| Consultative Committee | CCQM (Consultative Committee for Amount of Substance) |
| Conducted by | CCQM (Consultative Committee for Amount of Substance) |
| Comments | This comparison is one of the first key comparisons using Decision Tree in CCQM IAWG. |
| Pilot institute |
KRISS
Korea Research Institute of Standards and Science Korea, Republic of |
| Contact person | Kyoung-Seok Lee +82-42-868-5841 |
| Additional |
| Pilot laboratory | |
|---|---|
| KRISS |
Korea Research Institute of Standards and Science, Korea, Republic of, APMP |
| MIRS/IJS/F-2,O-2 |
MIRS/Jozef Stefan Institute/Low and Medium Energy Physics F2, Environmental Sciences O2, Slovenia, EURAMET |
| NIM |
National Institute of Metrology, China, APMP |
| VNIIM |
D.I. Mendeleyev Institute for Metrology, Rosstandart, Russian Federation, COOMET |
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