Registration number (WIID)Project No.TitleStatus
32874ISO 6570:2001Natural gas — Determination of potential hydrocarbon liquid content — Gravimetric methodsStandarts spēkā
44411ISO 12213-2:2006Natural gas — Calculation of compression factor — Part 2: Calculation using molar-composition analysisStandarts spēkā
57080ISO 6974-5:2014Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 5: Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbonsStandarts spēkā
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
38601ISO 6978-2:2003Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloyStandarts spēkā
22218ISO 14111:1997Natural gas — Guidelines to traceability in analysisStandarts spēkā
81458ISO 2614:2023Analysis of natural gas — Biomethane — Determination of terpenes' content by micro gas chromatographyStandarts spēkā
31799ISO 18453:2004Natural gas — Correlation between water content and water dew pointStandarts 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
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