Registration number (WIID)Project No.TitleStatus
45744ISO/NP TR 29922Natural Gas — Supporting information on the calculation of physical properties according to ISO 6976Izstrādē
72023ISO/PWI 21875Developments in calorific value determinationIzstrādē
42171ISO 12213-1:1997/DAmd 1Natural gas — Calculation of compression factor — Part 1: Introduction and guidelines — Amendment 1Izstrādē
68633ISO/PWI 6974-4Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columnsIzstrādē
85080ISO/TR 17910Natural gas — Coal-based synthetic natural gas quality designation and the applicability of ISO/TC 193 standardsIzstrādē
85277ISO/AWI 6976Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from compositionIzstrādē
68631ISO/PWI 20765-3Natural gas-Calculation of thermodynamic properties-Part — Part 3: Two-phase properties (vapour-liquid equilibria)Izstrādē
35533ISO/WD 20765Natural gas — Thermodynamic propertiesIzstrādē
37083ISO/WD TR 24094Analysis of natural gas — Validation of calibration gases using reference measurements of physical propertiesIzstrādē
41690ISO/NP 20765-3Natural gas-Calculation of thermodynamic properties-Part — Part 3: Two-phase properties (vapour-liquid equilibria)Izstrādē
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