Brown, A S; Milton, M J T; Brookes, C; Vargha, G M; Downey, M L; Uehara, S*; Rodrigues Augusto, C*; de Lima Fioravante, A*; Goncalves Sobrinho, D*; Dias, F*; Woo, J C*; Kim, B M*; Kim, J S*; Mace, T*; Tothne Fuko, J*; Qiao, H*; Guenther, F*; Rhoderick, J*; Gameson, L*; Botha, A*; Tshilongo, J*; Ntsasa, N G*; Val'kova, M*; Durisova, Z*; Kustikov, Y*; Konopelko, L*; Fatina, O*; Wessel, R* (2013) CCQM-K93: Preparative comparison of ethanol in nitrogen. Final report. NPL Report. AS 80

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Abstract

This report presents the results of CCQM-K93, a key comparison between 13 National Measurement Institutes (NMIs), which tested the capability of the NMIs to prepare standard gas mixtures of ethanol at a nominal amount fraction of 120 umol/mol in nitrogen. This composition is typical of the levels used to calibrate evidential breath analysers in many countries. Such standards fulfil the agreed requirements of the International Organization of Legal Metrology (OIML) for the calibration of evidential breath-alcohol analysers.

Item Type:	Report/Guide (NPL Report)
NPL Report No.:	AS 80
Keywords:	Ethanol, gas, comparison, standard, CCQM
Subjects:	Analytical Science Analytical Science > Gas Standards
Last Modified:	02 Feb 2018 13:14
URI:	http://eprintspublications.npl.co.uk/id/eprint/5987

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