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CIPM MRA PARTICIPANTS
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CIPM MRA PARTICIPANTS
Calibration and Measurement Capabilities – CMCs
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Key and supplementary comparisons
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Added keywords act as an additional filter. Keywords separated by a space will be treated by the logical function AND automatically. You may also use OR. Keyword searches also find close matches. Placing quotation marks (") before and after the search word, e.g. "word", will allow for exact matches.

In case of multiple search, please use ADVANCED SEARCH.
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News
24 JULY 2026
Key comparison for abundance of ozone in dry air - BIPM
The Final report and new results issued from the continuous comparison BIPM.QM-K1 have recently been published in the KCDB, including the results from National Institute of Standards and Technology (NIST), United States in March 2025. This comparison underpins the determination of the concentration of ozone in air, a current health issue linked to air pollution.
24 JULY 2026
Inorganic analysis - APMP
4 first CMCs in inorganic analysis of food and drinking water have been published in the KCDB for the Philippines via APMP, in the field of Chemistry and Biology.
24 JULY 2026
Inorganic analysis - SIM
A new CMC in inorganic analysis has been published in the KCDB for Mexico via SIM, in the field of Chemistry and Biology.
24 JULY 2026
Inorganic analysis - APMP
7 new CMCs in inorganic analysis have been published in the KCDB for China and Thailand via APMP, in the field of Chemistry and Biology.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
259 CIPM MRA participants
1277 key comparisons
26270 CMCs
775 supplementary comparisons