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Liquefied petroleum gas and light hydrocarbons - Determination of density or relative density - Pressure hydrometer method (ISO 3993:1984)

90.93 Standard confirmed

CEN/TC 19

Gas analysis - Determination of the water dew point of natural gas - Cooled surface condensation hygrometers (ISO 6327:1981)

60.60 Standard published

CEN/TC 238

Natural gas - Determination of potential hydrocarbon liquid content - Gravimetric methods (ISO 6570:2001)

60.60 Standard published

CEN/TC 238

Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012)

60.60 Standard published

CEN/TC 238

Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition - Technical Corrigendum 1 (ISO 6974-1:2012/Cor 1:2012)

60.60 Standard published

CEN/TC 238

Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)

60.60 Standard published

CEN/TC 238

Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO 6974-3:2018)

60.60 Standard published

CEN/TC 238

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

CEN/TC 238

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

CEN/TC 238

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

CEN/TC 238

Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997)

60.60 Standard published

CEN/TC 238

Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)

60.60 Standard published

CEN/TC 238

Natural gas - Determination of mercury - Part 1: Sampling of mercury by chemisorption on iodine (ISO 6978-1:2003 )

60.60 Standard published

CEN/TC 238

Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy (ISO 6978-2:2003)

60.60 Standard published

CEN/TC 238

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

CEN/TC 238

Analysis of natural gas - Biomethane - Determination of the content of compressor oil (ISO/FDIS 2615:2024)

60.55 Ratification completed (DOR)

CEN/TC 408

Gas infrastructure - Quality of gas - Group H

40.60 Close of voting

CEN/TC 234

Natural gas — Determination of water by the Karl Fischer method — Part 1: General requirements

60.60 Standard published

ISO/TC 193/SC 1