Final report on the key comparison, CCM.P-K15 in the pressure range from 1.0 × 10-4 Pa to 1.0 Pa.
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DOI: 10.1088/0026-1394/54/1a/07003
Abstract: The comparison CCM.P-K15 is a key comparison in pressure involving six laboratories in three regional metrological organizations (RMO). The measurand of the comparison is the accommodation coefficient of two spinning rotating gauge characterized in nitrogen… read more here.
Keywords: ccm k15; comparison ccm; comparison; pressure ... See more keywords
International Comparison Euramet.QM-K111 – Propane in Nitrogen
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DOI: 10.1088/0026-1394/54/1a/08020
Abstract: This key comparison aims to assess the core capabilities of the participants in gas analysis. Such competences include, among others, the capabilities to prepare Primary Standard gas Mixtures (PSMs), perform the necessary purity analysis on… read more here.
Keywords: propane nitrogen; gas mixture; gas; international comparison ... See more keywords
Final report, on-going key comparison BIPM.QM-K1, ozone at ambient level, comparison with VSL, September 2016
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DOI: 10.1088/0026-1394/54/1a/08025
Abstract: As part of the ongoing key comparison BIPM.QM-K1, a comparison has been performed between the ozone national standard of the Netherlands maintained by the Van Swinden (VSL) and the common reference standard of the key… read more here.
Keywords: report going; final report; comparison bipm; key comparison ... See more keywords
Final report, on-going key comparison BIPM.QM-K1, ozone at ambient level, comparison with CMS-ITRI, June 2016
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DOI: 10.1088/0026-1394/54/1a/08031
Abstract: As part of the on-going key comparison BIPM.QM-K1, a comparison has been performed between the ozone national standard of the ITRI Center for Measurement Standards (CMS-ITRI) and the common reference standard of the key comparison,… read more here.
Keywords: going key; cms itri; comparison bipm; comparison ... See more keywords
Final report, on-going key comparison BIPM.QM-K1, ozone at ambient level, comparison with CHMI, September 2017
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DOI: 10.1088/0026-1394/55/1a/08015
Abstract: As part of the ongoing key comparison BIPM.QM-K1, a comparison has been performed between the ozone national standard of the Czech Republic maintained by the Czech Hydrometeorological Institute (CHMI) and the common reference standard of… read more here.
Keywords: report going; final report; comparison bipm; key comparison ... See more keywords
Report on the CCM key comparison of kilogram realizations CCM.M-K8.2019
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DOI: 10.1088/0026-1394/57/1a/07030
Abstract: This report describes the first CCM key comparison of realizations of the kilogram definition based on the fixed numerical value of the Planck constant, which came into force on 20 May 2019. The objectives were… read more here.
Keywords: mass; report; ccm key; kilogram ... See more keywords
Key comparison BIPM.RI(I)-K1 of the air-kerma standards of the BEV, Austria and the BIPM in 60Co gamma radiation
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DOI: 10.1088/0026-1394/58/1a/06004
Abstract: A new key comparison of the standards for air kerma of the Bundesamt f¨r Eich- und Vermessungswesen (BEV), Austria and of the Bureau International des Poids et Mesures (BIPM) was carried out in the 60Co… read more here.
Keywords: comparison; bipm; air kerma; key comparison ... See more keywords
Key comparison BIPM.RI(I)-K3 of the air-kerma standards of the GUM, Poland, and the BIPM in medium-energy x-rays
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DOI: 10.1088/0026-1394/58/1a/06016
Abstract: A key comparison has been made between the air-kerma standards of the GUM and the BIPM in the medium-energy x-ray range. The results show the standards to be in agreement at the level of the… read more here.
Keywords: comparison; bipm; air kerma; key comparison ... See more keywords
Key comparison BIPM.RI(I)-K7 of the air-kerma standards of the NMIJ, Japan and the BIPM in mammography x-rays
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DOI: 10.1088/0026-1394/58/1a/06023
Abstract: A new key comparison has been made between the air-kerma standards of the NMIJ and the BIPM in mammography x ray beams. The results show the standards to be in agreement at the level of… read more here.
Keywords: bipm; air kerma; key comparison; kerma standards ... See more keywords
Key comparison BIPM.RI(I)-K3 of the air-kerma standards of the ARPANSA, Australia, and the BIPM in medium-energy x-rays
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DOI: 10.1088/0026-1394/58/1a/06024
Abstract: To 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 https://www.bipm.org/kcdb/. The final report has been… read more here.
Keywords: bipm; air kerma; key comparison; comparison bipm ... See more keywords
International comparison CCQM-K117 ammonia
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DOI: 10.1088/0026-1394/58/1a/08017
Abstract: At the highest metrological level, ammonia gas standards are commonly prepared gravimetrically as Primary Standard Mixtures or using a dynamic standard. This international key comparison addressed the measurement of the amount fraction ammonia in nitrogen,… read more here.
Keywords: comparison; comparison ccqm; international comparison; key comparison ... See more keywords