Registration number (WIID)Project No.TitleStatus
74906ISO 23219:2022Natural gas — Format for data from gas chromatograph analysers for natural gas — XML file formatStandarts spēkā
81455ISO 2611-1:2024Analysis of natural gas — Halogen content of biomethane — Part 1: HCl and HF content by ion chromatographyStandarts spēkā
63090ISO 6974-1:2012/Cor 1:2012Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition — Technical Corrigendum 1Standarts spēkā
25855ISO 6974-4:2000Natural 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 columnsStandarts spēkā
55842ISO 6976:2016Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from compositionStandarts spēkā
44137ISO 6978-2:2003/Cor 2:2006Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloy — Technical Corrigendum 2Standarts spēkā
51245ISO/TR 12148:2009Natural gas — Calibration of chilled mirror type instruments for hydrocarbon dewpoint (liquid formation)Standarts spēkā
38601ISO 6978-2:2003Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloyStandarts spēkā
39300ISO 6974-6:2002/Cor 1:2003Natural 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 — Technical Corrigendum 1Standarts spēkā
67135ISO/TR 29922:2017Natural gas — Supporting information on the calculation of physical properties according to ISO 6976Standarts spēkā
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