Final Report of International Comparison APMP QM-S7 Methane in Nitrogen

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Final Report of International Comparison APMP QM-S7 Methane in Nitrogen
Title:
Final Report of International Comparison APMP QM-S7 Methane in Nitrogen
Journal Title:
Metrologia
Keywords:
Publication Date:
07 May 2021
Citation:
Byungmoon Kim et al 2015 Metrologia 52 08013
Abstract:
Methane is one of the major greenhouse gases that affect climate change. To mitigate anthropogenic CH4 emissions effectively, it is necessary to measure and monitor CH4 emissions from fossil fuel combustion. Therefore, it is important for NMIs to have the capability of an accurate CH4 emissions measurement. The first key comparison on methane in nitrogen or air is the key comparison of CCQM-K82 (ambient level methane in air). As a supplementary comparison, the purpose of this comparison is to cover a concentration level that is not covered by previous key comparisons: this report describes the results of a supplementary comparison for methane in nitrogen at 2000 μmol/mol. Results from all participants, except two, agree well within their associated uncertainties.
License type:
PublisherCopyrights
Funding Info:
Description:
This is an author-created, un-copyedited version of an article accepted for publication/published in Metrologia. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/0026-1394/52/1A/08013
ISSN:
1681-7575
0026-1394
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