Registration number (WIID)Project No.TitleStatus
72023ISO/PWI 21875Developments in calorific value determinationIzstrādē
20875ISO/DIS 13275Natural gas — Preparation of calibration gas mixtures - Gravimetric methodsIzstrādē
67136ISO/NP 10715Natural gas — SamplingIzstrādē
87365ISO/DIS 14111Natural gas — Guidelines to metrological traceabilityIzstrādē
90968ISO/CD 19739Natural gas — Determination of sulfur compounds using gas chromatographyIzstrādē
56433ISO/NP 6974-6Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 6: Determination of helium, oxygen, nitrogen, carbon dioxide and C1 to C10 hydrocarbons using capaillary columnsIzstrādē
90044ISO/AWI 22813Natural gas — Determination of composition of Liquefied Natural Gas and associated uncertainty by Raman SpectroscopyIzstrādē
92658ISO/AWI 20765-4Natural gas — Calculation of thermodynamic properties — Part 4: Gross characterisation method for fluid phase propertiesIzstrādē
42173ISO 12213-3:1997/DAmd 1Natural gas — Calculation of compression factor — Part 3: Calculation using physical properties — Amendment 1Izstrādē
66005ISO/WD TR 19680Natural gas — Determination of oxygen content by electrochemical analysisIzstrādē
Displaying 11-20 of 131 results.