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CCQM-K82
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CCQM-K82
Information
Metrology area, branch   Amount of Substance, Gases
Description   Methane in air : preparative comparison
Time of measurement   2012
Status   Approved for equivalence, Results available
Reference(s)   Metrologia, 2015, 52, Tech. Suppl., 08001
CCQM-K82 Final Report, 2014, 129 pages
Measurand   Amount-of-substance fraction of methane in air at ambient levels: 1800 nmol/mol to 2200 nmol/mol
Transfer device(s)   Gas cylinders
Comparison type   Key comparison
Consultative Committee  CCQM (Consultative Committee for Amount of Substance)
Conducted by   CCQM (Consultative Committee for Amount of Substance)