Final report: international comparison APMP.QM-S7 methane in nitrogen at 2000 μmol/mol

被引：4

作者：

Kim, Byungmoon ^{[1
]}

Bae, Hyounkil ^{[1
]}

Lee, Sangil ^{[1
]}

Oh, Sanghyub ^{[1
]}

Lin, Tsai-Yin ^{[2
]}

Huang, Chiug-Kun ^{[2
]}

Sinweeruthai, Ratirat ^{[3
]}

Rattanasombat, Soponrat ^{[3
]}

Laongsri, Bunthoon ^{[3
]}

Wongjuk, Arnuttachai ^{[3
]}

Li, Hou

Hui, Liu

Keat, Teo Beng

Mogale, David

Johri, Prabha

Tarhan, Tanil

Engin, Erinc

机构：

[1] KRISS, Ctr Gas Anal, 267 Gajeong Ro, Daejeon 305340, South Korea

[2] Ind Technol Res Inst, Ctr Measurement Stand, Hsinchu 30011, Taiwan

[3] Natl Inst Metrol Thailand, Pathum Thani 12120, Thailand

来源：

METROLOGIA | 2015年 / 52卷

关键词：

D O I：

10.1088/0026-1394/52/1A/08013

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

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 mu mol/mol. Results from all participants, except two, agree well within their associated uncertainties.

引用

页数：1

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