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Overview ISO 6974-4:2000 specifies a gas‑chromatographic method for determining the composition of natural gas with defined uncertainty, suitable for both laboratory and on‑line measuring systems. Th…
Overview EN ISO 6974-4:2001 specifies a gas‑chromatographic method for the quantitative determination of natural gas composition - with defined uncertainty - using a two‑column system. The method cov…
