Registration number (WIID)Project No.TitleStatus
68632ISO 6974-3:2018Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and biasStandarts spēkā
43769ISO/TR 24094:2006Analysis of natural gas — Validation methods for gaseous reference materialsStandarts spēkā
81458ISO 2614:2023Analysis of natural gas — Biomethane — Determination of terpenes' content by micro gas chromatographyStandarts spēkā
22218ISO 14111:1997Natural gas — Guidelines to traceability in analysisStandarts 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
31799ISO 18453:2004Natural gas — Correlation between water content and water dew pointStandarts spēkā
33938ISO 19739:2004Natural gas — Determination of sulfur compounds using gas chromatographyStandarts spēkā
40263ISO 20765-1:2005Natural gas — Calculation of thermodynamic properties — Part 1: Gas phase properties for transmission and distribution applicationsStandarts spēkā
44412ISO 12213-3:2006Natural gas — Calculation of compression factor — Part 3: Calculation using physical propertiesStandarts spēkā
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
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