Comparison Display

CIPM MRA PARTICIPANTS

The KCDB - the BIPM key comparison database – supports the CIPM MRA. The KCDB contains information on the internationally recognized Calibration and Measurement Capabilities (CMCs) for services available from the participating institutes, and the key and supplementary comparisons supporting these CMCs.

All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement

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CIPM MRA PARTICIPANTS

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EURAMET.QM-S8

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Participants

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	EURAMET.QM-S8 Final Report, 2013, 58 pages Metrologia, 2013, 50, Tech. Suppl., 08023
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