| Metrology area, Sub-field | Chemistry and Biology, Gases |
| Description | Analysis of impurities in pure and balance gases used to prepare primary standard gas mixtures by the gravimetric method |
| Time of measurements | 2012 |
| Status | Approved |
| Final Reports of the comparisons | |
| Measurand | Amount of substance fractions of CO, CO2, CH4, O2 and Ar in Nitrogen, at impurity levels |
| Transfer device | Two 50 litre high purity nitrogen cylinders |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCQM (Consultative Committee for Amount of Substance) |
| Conducted by | EURAMET (European Association of National Metrology Institutes) |
| RMO Internal Identifier | EURAMET Project No 937 |
| Comments | |
| Pilot institute |
VSL
VSL Netherlands |
| Contact person | A. van der Veen +31 15 2691500 |
| Pilot laboratory | |
|---|---|
| VSL |
VSL, Netherlands, EURAMET |
| BAM |
Bundesanstalt für Materialforschung und -prüfung, Germany, EURAMET |
| LNE |
Laboratoire national de métrologie et d'essais, France, EURAMET |
| METAS |
Federal Institute of Metrology, Switzerland, EURAMET |
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
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