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CCQM-K68.2019
Metrology area, Sub-field Chemistry and Biology, Gases
Description Nitrous oxide in air at ambient levels
Time of measurements 2019 - 2020
Status Report in progress, draft A
References

CCQM-K68.2019 Registration and progress form

CCQM-K68.2019 Technical Protocol and Forms

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
jviallon@bipm.org
+33 (0) 1 47 07 62 70
First Name Last Name
wwww@ww.www +356719836 Institute 1 Institute 1 Khmelnitskiy
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

Comparison
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Comparison
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Results