| Metrology area, Sub-field | Chemistry and Biology, Gases |
| Description | BTEX in Nitrogen |
| Time of measurements | 2018 - 2019 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| Measurand | Amount-of-substance fractions of benzene, toluene, ethylbenzene, p-xylene, m-xylene and o-xylene in nitrogen 5 nmol mol−1 |
| 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) |
| Pilot institute |
NIST
National Institute of Standards and Technology United States |
| Contact person | Christina Cecelski +13019755185 |
| Pilot laboratory | |
|---|---|
| NIST |
National Institute of Standards and Technology, United States, SIM |
| CHMU/CHMI |
Czech Hydrometeorological Institute, Czechia, EURAMET |
| KRISS |
Korea Research Institute of Standards and Science, Korea, Republic of, APMP |
| LNE |
Laboratoire national de métrologie et d'essais, France, EURAMET |
| METAS |
Federal Institute of Metrology, Switzerland, EURAMET |
| NMISA |
National Metrology Institute of South Africa, South Africa, AFRIMETS |
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
| UBA |
Umweltbundesamt, Federal Environment Agency, Germany, 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" :
