Final Report for Supplementary Comparison APMP.QM-S9.2017: 100 μmol/mol of Carbon monoxide in nitrogen

Lee J. Lee J. Lim J. Moon D. Aggarwal S.G. Johri P. Soni D. Hui L. Ming K.F. Sinweeruthai R. Rattanasombat S. Zuas O. Budiman H. Mulyana M.R. Alexandrov V.
January 2021 IOP Publishing Ltd

Metrologia
2021 #58 Issue 1 A

Carbon monoxide (CO) in nitrogen was one of the first types of gas mixtures used in an international key comparison. This comparison dates back to 1998 (CCQM-K1a) [1]. Another key comparison on carbon monoxide is the CCQM-K51 at the lower amount fraction of 5 μmol/mol. Since then, many National Metrology Institutes (NMIs) have developed Calibration and Measurement Capabilities (CMCs) for these mixtures. Recently, NMIs in the APMP region have actively participated in international comparisons to provide domestic services. At the 2017 APMP meeting, several NMIs requested a CO comparison to establish CO/N2 certification for supporting industrial needs, which was to be coordinated by KRISS. Consequently.

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Korea Research Institute of Standards and Science, Daejeon, 34113, South Korea
CSIR-National Physical Laboratory India (NPLI), New Delhi, 110012, India
National Metrology Centre, A*STAR, Singapore, 118221, Singapore
National Institute of Metrology, 12120, Thailand
National Measurement Standards, National Standardization Agency of Indonesia (SNSU-BSN), Banten, 15314, Indonesia
Kazakhstan Institute of Metrology (KazInMetr), 100009, Kazakhstan

Korea Research Institute of Standards and Science
CSIR-National Physical Laboratory India (NPLI)
National Metrology Centre
National Institute of Metrology
National Measurement Standards
Kazakhstan Institute of Metrology (KazInMetr)

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