| Metrology area, Sub-field | Chemistry and Biology, Gases |
| Description | Nitrous oxide in air at ambient levels |
| Time of measurements | 2019 - 2020 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| References | |
| Measurand | Mole fraction of nitrous oxide in air expressed in mol/ mol Nominal values range from 325 nmol/mol to 350 nmol/mol |
| Transfer device | Gas cylinders |
| Comparison type | Key Comparison |
| Consultative Committee | CCQM (Consultative Committee for Amount of Substance) |
| Conducted by | CCQM (Consultative Committee for Amount of Substance) |
| Comments | |
| Pilot institute |
BIPM
Bureau International des Poids et Mesures BIPM - International Organization |
| Contact person | J. Viallon +33 (0) 1 47 07 62 70 |
| Pilot laboratory | |
|---|---|
| BIPM |
Bureau International des Poids et Mesures, BIPM - International Organization, N/A |
| KRISS |
Korea Research Institute of Standards and Science, Korea, Republic of, APMP |
| MIKES-FMI |
Finnish Meteorological Institute, Finland, EURAMET |
| NIM |
National Institute of Metrology, China, APMP |
| NIST |
National Institute of Standards and Technology, United States, SIM |
| NMISA |
National Metrology Institute of South Africa, South Africa, AFRIMETS |
| NOAA/ESRL |
NOAA Earth System Research Laboratory (NOAA/ESRL), WMO - International Organization, SIM |
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
| VNIIM |
D.I. Mendeleyev Institute for Metrology, Rosstandart, Russian Federation, COOMET |
| VSL |
VSL, Netherlands, EURAMET |
This page proposes print-out on A4 paper (portrait) of the comparison details (best printed out using a black and white printer).
Please, select items to be printed out, then click on "OK" :
