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- W1963722697 abstract "Ethanol measurements in human breath are important for the implementation of legal metrology related to the driving under influence legislation. Measurements are typically performed to calibrate breath testers in accordance with OIML Recommendation R126:1998 (evidential breath analysers) in the range from 50 ?mol/mol up to 800 ?mol/mol ethanol in nitrogen or air. Six national metrology institutes participated. The key comparison reference value (KCRV) is based on the gravimetric preparation. Its uncertainty appreciates effects from adsorption of ethanol to the cylinder wall, weighing and purity analysis. Only VNIIM shows a result which is inconsistent with the KCRV. Both VNIIM and CEM show a result that deviates more than 1% from the reference value. This EURAMET key comparison is linked to CCQM-K4 though the common participation of both NPL and VSL. Main text. 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 kcdb.bipm.org/. The final report has been peer-reviewed and approved for publication by the CCQM, according to the provisions of the CIPM Mutual Recognition Arrangement (MRA)." @default.
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- W1963722697 date "2011-01-01" @default.
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- W1963722697 title "Euramet comparison for ethanol in nitrogen: EURAMET.QM-K4.1" @default.
- W1963722697 doi "https://doi.org/10.1088/0026-1394/48/1a/08009" @default.
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