Registration number (WIID)Project No.TitleStatus
20875ISO/DIS 13275Natural gas — Preparation of calibration gas mixtures - Gravimetric methodsIzstrādē
25110ISO/CD 6570-3Natural gas — Determination of potential hydrocarbon liquid content — Part 3: Volumetric methodIzstrādē
40212ISO/NP 21399Verifying property values of natural gas by gas chromatographyIzstrādē
66005ISO/WD TR 19680Natural gas — Determination of oxygen content by electrochemical analysisIzstrādē
42173ISO 12213-3:1997/DAmd 1Natural gas — Calculation of compression factor — Part 3: Calculation using physical properties — Amendment 1Izstrādē
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
42171ISO 12213-1:1997/DAmd 1Natural gas — Calculation of compression factor — Part 1: Introduction and guidelines — Amendment 1Izstrādē
68634ISO/PWI 6974-5Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 5: Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbonsIzstrādē
42003ISO/NP 24074Natural gas — Automated online gas chromatographic method for hydrocarbon dew-point calculationIzstrādē
25109ISO/CD 6570-2Natural gas — Determination of potential hydrocarbon liquid content — Part 2: Weighing methodIzstrādē
Displaying 101-110 of 131 results.