Registration number (WIID)Project No.TitleStatus
41689ISO/NP 20765-2Natural gas-Calculation of thermodynamic properties — Part 2: Single phase properties (gas, liquid and dense-fluid) for extended ranges of applicationIzstrādē
45743ISO/NP TR 29921Natural Gas — Basic data on thermodynamic propertiesIzstrādē
72022ISO/PWI 10715Natural gas — Sampling guidelinesIzstrādē
44112ISO/NP 6976Natural gas — Calculation of calorific value, density, relative density and Wobbe index from compositionIzstrādē
66005ISO/WD TR 19680Natural gas — Determination of oxygen content by electrochemical analysisIzstrādē
85080ISO/TR 17910Natural gas — Coal-based synthetic natural gas quality designation and the applicability of ISO/TC 193 standardsIzstrādē
92356ISO/PWI 10723Natural gas — Performance evaluation for analytical systemsIzstrādē
68635ISO/PWI 6974-6Natural 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 columnsIzstrādē
28970ISO 6976:1995/Cor 1:1997Natural gas — Calculation of calorific values, density, relative density and Wobbe index from composition — Technical Corrigendum 1: (Applies to French version only)Atcelts
12971ISO 6568:1981Natural gas — Simple analysis by gas chromatographyAtcelts
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