International comparison CCQM-K3.2019 automotive exhaust gases

Adriaan M H van der Veen,Ewelina T Zalewska, Janneke I T van Wijk, Midori Kobayashi, Dai Akima, Shinji Uehara, Andreia L Fioravante, Cristiane R Augusto,Claudia C Ribeiro, Viviane Silva, Florbela Dias, Alda Botas, Carlos Costa,Joengsoon Lee,Jinbok Lee,Jeongsik Lim, Hyun-Kil Bae,Namgoo Kang,Christina E Cecelski,Kimberly J Harris, Walter R Miller Jr,Jennifer Carney,James Tshilongo,Napo G Ntsasa,Mudalo I Jozela, Nompumelelo Leshabane, Prelly Mohweledi Marebane,David R Worton,Eric B Mussell Webber, Sergi Moreno,Paul J Brewer, Leonid A Konopelko, Anna V Kolobova, V V Pankratov, Olga V Efremova

Metrologia（2023）

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摘要

Main text CCQM-K3.2019 was a repeat of the key comparison CCQM-K3 on the composition of automotive exhaust gases. New in CCQM-K3.2019 was the addition of the amount fraction oxygen to the programme. The key comparison reference values were obtained independently, using static gravimetry and appropriate corrections from purity analysis. The key comparison results show equivalence between the measurement standards maintained by the participating national metrology institutes. The demonstrated equivalence can be used to underpin services related to automotive exhaust gases as well as generically through the flexible scheme ("track A"). 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 peer-reviewed and approved for publication by the CCQM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).

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