Registration number (WIID)Project No.TitleStatus
13527ISO 6974:1984Natural gas — Determination of hydrogen, inert gases and hydrocarbons up to C8 — Gas chromatographic methodAtcelts
87365ISO/DIS 14111Natural gas — Guidelines to metrological traceabilityAptauja slēgta
26238ISO 6974-6:2002Natural 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 columnsStandarts spēkā
31799ISO 18453:2004Natural gas — Correlation between water content and water dew pointStandarts spēkā
51245ISO/TR 12148:2009Natural gas — Calibration of chilled mirror type instruments for hydrocarbon dewpoint (liquid formation)Standarts spēkā
67135ISO/TR 29922:2017Natural gas — Supporting information on the calculation of physical properties according to ISO 6976Standarts spēkā
59222ISO 20765-2:2015Natural gas — Calculation of thermodynamic properties — Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of applicationStandarts spēkā
22218ISO 14111:1997Natural gas — Guidelines to traceability in analysisStandarts 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
38601ISO 6978-2:2003Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloyStandarts spēkā
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