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
31 JANUARY 2023
Short-lived radionuclide Cu-64 - BIPM
The most recent results of BIPM.RI(II)-K4.Cu-64 have been published in the KCDB, now including results obtained by NRC (Canada). This is a continuous comparison of radioactivity using a transfer instrument for the International Reference System (SIR), in which 8 institutes presently have valid linked data from participation. Cu-64 has a short half-life of 12 h where the use of a transfer instrument is of particular interest. Cu-64 is notably used as a radiopharmaceutical for radiotherapy and medical diagnostics.
30 JANUARY 2023
Supplementary Comparison in Ionizing Radiation- APMP
The final report of the comparison APMP.RI(II)-S3.Cs-134.Cs-137 has been published in the KCDB. This is a comparison of activity measurement of Cs-134 and Cs-137 in brown rice in which 7 state economies particiapated.
26 JANUARY 2023
Realization of the kilogram - CCM.M-K8.2021
The Final report on the CCM key comparison of kilogram realizations CCM.M-K8.2021 has been pubished in Metrologia 2023 60 Tech. Suppl. 07003
25 JANUARY 2023
Short-lived radionuclide F-18 - BIPM
The most recent results of BIPM.RI(II)-K4.F-18 have been published in the KCDB, now including results obtained by NRC (Canada). This is a continuous comparison of radioactivity using a transfer instrument for the International Reference System (SIR), in which 11 institutes presently have valid linked data from participation. F-18 has a very short half-life of less than 2 h where the use of a transfer instrument is of particular interest. F-18 is notably used in medical diagnostics.
Statistics
Currently in the KCDB there are
251 CIPM MRA participants
1142 key comparisons
25851 CMCs
670 supplementary comparisons