Registration number (WIID)Project No.TitleStatus
94793ISO/PWI 6974-3Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and biasIzstrādē
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
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
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
85277ISO/PWI 6976.2Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from compositionIzstrādē
50143ISO/TR 11150:2007Natural gas - Hydrocarbon dew point and hydrocarbon contentStandarts spēkā
51245ISO/TR 12148:2009Natural gas — Calibration of chilled mirror type instruments for hydrocarbon dewpoint (liquid formation)Standarts spēkā
85080ISO/TR 17910:2024Natural gas — Coal-based synthetic natural gas quality designation and the applicability of ISO/TC 193 standardsStandarts spēkā
43769ISO/TR 24094:2006Analysis of natural gas — Validation methods for gaseous reference materialsStandarts spēkā
67135ISO/TR 29922:2017Natural gas — Supporting information on the calculation of physical properties according to ISO 6976Standarts spēkā
Displaying 121-130 of 138 results.