Abstract
A supplementary comparison has been made between the air-kerma standards of the NRPA, Norway, the STUK, Finland, the SSM, Sweden and the LNE-LNHB, France in the medium-energy x-ray range. The technical protocol was approved by the CCRI(I) in April 2016. The results show the standards to be in agreement at the level of the standard uncertainty of the comparison of 4.4, 9.1 and 4.5 parts in 10³ for the NRPA, STUK and the SSM, respectively. The results are analysed and presented in terms of degrees of equivalence.KEY WORDS FOR SEARCHSupplementary comparison, air kerma, medium energy x-rays, radiation dosimetryMain textTo reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/.The final report has been peer-reviewed and approved for publication by the CCRI, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).
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