Registration number (WIID)Project No.TitleStatus
51245ISO/TR 12148:2009Natural gas — Calibration of chilled mirror type instruments for hydrocarbon dewpoint (liquid formation)Standarts spēkā
55839ISO 6974-1:2012Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of compositionStandarts spēkā
44412ISO 12213-3:2006Natural gas — Calculation of compression factor — Part 3: Calculation using physical propertiesStandarts spēkā
31799ISO 18453:2004Natural gas — Correlation between water content and water dew pointStandarts spēkā
40263ISO 20765-1:2005Natural gas — Calculation of thermodynamic properties — Part 1: Gas phase properties for transmission and distribution applicationsStandarts spēkā
33938ISO 19739:2004Natural gas — Determination of sulfur compounds using gas chromatographyStandarts spēkā
81458ISO 2614:2023Analysis of natural gas — Biomethane — Determination of terpenes' content by micro gas chromatographyStandarts spēkā
44108ISO 6974-2:2012Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculationsStandarts 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
81456ISO 2612:2023Analysis of natural gas — Biomethane — Determination of ammonia content by tuneable diode laser absorption spectroscopyStandarts spēkā
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