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CIPM MRA PARTICIPANTS
All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement
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CIPM MRA PARTICIPANTS
CMC statistics
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.

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News
13 DECEMBER 2024
Supplementary Comparison in organic analysis - EURAMET
The Final report of the supplementary comparison EURAMET.QM-S15 has been approved and published in the KCDB. This is a comparison on the measurements of PAHs in protein matrix in the field of chemistry and biology in which 6 state economies participated.
12 DECEMBER 2024
Key Comparison of Air Kerma in mammography X-Ray beams – BIPM
New results issued from the continuous key comparison BIPM.RI(I)-K7 have been published in the KCDB, including results obtained with Physikalisch-Technische Bundesanstalt (PTB), Germany in 2024. This is a comparison of the measurement of air kerma in the mammography x-ray range from 25 kV to 35 kV, in the field of Ionizing Radiation, in which 12 state economies participated.
12 DECEMBER 2024
Key comparison on Luminous intensity - APMP
The Final report and results of the key comparison APMP.PR-K3.a have recently been published on the KCDB. This comparison, linked to CCPR-K3.a, was piloted by National Metrology Institute of Japan (NMIJ), Japan and included 13 participants.
6 DECEMBER 2024
Key Comparison in Electrochemistry - CCQM
The final report and results of the key comparison CCQM-K91.2022 have been published in the KCDB. This is a comparison on the measurement of the acidity function of an unknown phthalate bufffer at zero chloride molality, piloted by Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO), Brazil in which 13 state economies participated.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
255 CIPM MRA participants
1200 key comparisons
26201 CMCs
710 supplementary comparisons