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Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)
60.60 Standard published
Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO 6974-3:2018)
60.60 Standard published
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns (ISO 6974-4:2000)
90.92 Standard to be revised
Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 5: Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbons (ISO 6974-5:2014)
60.60 Standard published
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns (ISO 6974-6:2002)
60.60 Standard published
Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997)
60.60 Standard published
Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)
60.60 Standard published
Natural gas - Determination of mercury - Part 1: Sampling of mercury by chemisorption on iodine (ISO 6978-1:2003 )
60.60 Standard published
Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy (ISO 6978-2:2003)
60.60 Standard published
Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy - Technical Corrigendum 2 (ISO 6978-2:2003/Cor 2:2006)
60.60 Standard published
Natural gas — Organic components used as odorants — Requirements and test methods
10.99 New project approved
Gas analysis - Conversion of gas mixture composition data (ISO/DIS 14912:2023)
40.60 Close of voting
Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO/DIS 6143:2023)
40.60 Close of voting
Natural Gas - Determination of composition and associated uncertainty by gas chromatography - Part 4: Guidance on Gas Analysis
10.99 New project approved
Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
10.99 New project approved