Registration number (WIID)Project No.TitleStatus
44111ISO/CD 6974-5Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 5: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columnsIzstrādē
25106ISO/CD 6326-1Natural gas — Determination of sulfur compounds — Part 1: General introductionIzstrādē
56433ISO/NP 6974-6Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 6: Determination of helium, oxygen, nitrogen, carbon dioxide and C1 to C10 hydrocarbons using capaillary columnsIzstrādē
41689ISO/NP 20765-2Natural gas-Calculation of thermodynamic properties — Part 2: Single phase properties (gas, liquid and dense-fluid) for extended ranges of applicationIzstrādē
45743ISO/NP TR 29921Natural Gas — Basic data on thermodynamic propertiesIzstrādē
44112ISO/NP 6976Natural gas — Calculation of calorific value, density, relative density and Wobbe index from compositionIzstrādē
90968ISO/CD 19739Natural gas — Determination of sulfur compounds using gas chromatographyIzstrādē
12621ISO 6326-5:1989Natural gas — Determination of sulfur compounds — Part 5: Lingener combustion methodAtcelts
81454ISO/TS 2610:2022Analysis of natural gas — Biomethane — Determination of amines contentAtcelts
28970ISO 6976:1995/Cor 1:1997Natural gas — Calculation of calorific values, density, relative density and Wobbe index from composition — Technical Corrigendum 1: (Applies to French version only)Atcelts
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