COOMET.QM-S5 (COOMET project No 576/RU/12) 'Supplementary comparison of national standards in the field of analysis of gas mixtures containing CO2, CO, C3H8in nitrogen ("automotive" gas mixtures)'
2016
The relevance of the COOMET.QM-S5 comparison is founded on tightening of requirements to a control of automobile emissions (realization of environmental standards of EURO 4, EURO-5). Participating laboratories: VNIIM, BAM, BelGIM, Ukrmetrteststandart, KazInMetr. This comparison was carried out in 2013-2014. This supplementary comparison supports CMC claims for: CO2 in the range (4–16) 10⁻² mol/mol; CO in the range (0.5–5) 10⁻² mol/mol; C3H8 in the range (0.01–0.3) 10⁻² mol/mol. Results:
Component CO:
All laboratories identified the values of carbon monoxide mole fraction in the gas mixture within ±0.9134%.
Component CO2:
All laboratories identified the values of carbon dioxide mole fraction in the gas mixture within ±0.3042%.
Component C3H8:
All laboratories identified the values of propane mole fraction in the gas mixture within ±0.443%.
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