Registration number (WIID)Project No.TitleStatus
13531ISO 6976:1995Natural gas — Calculation of calorific values, density, relative density and Wobbe index from compositionAtcelts
1236ISO 12213-1:1997Natural gas — Calculation of compression factor — Part 1: Introduction and guidelinesAtcelts
88358ISO/DIS 24894Analysis of natural gas — Determination of sulfur compounds — Determination of hydrogen sulfide by laser absorption spectroscopyAptauja
83616ISO/DIS 6974-4Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 4: Guidance on gas analysisAptauja
44108ISO 6974-2:2012Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculationsStandarts spēkā
32874ISO 6570:2001Natural gas — Determination of potential hydrocarbon liquid content — Gravimetric methodsStandarts spēkā
55842ISO 6976:2016Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from compositionStandarts 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
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