Registration number (WIID)Project No.TitleStatus
94792ISO/PWI 6974-2Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculationsIzstrādē
85277ISO/PWI 6976.2Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from compositionIzstrādē
42172ISO 12213-2:1997/DAmd 1Natural gas — Calculation of compression factor — Part 2: Calculation using molar-composition analysis — Amendment 1Izstrādē
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
44109ISO/NP 6974-3Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columnsIzstrādē
25107ISO/WD 6326-3Natural gas — Determination of sulfur compounds — Part 3: Determination of hydrogen sulfide, mercaptan sulfur and carbonyl sulfide sulfur by potentiometryIzstrādē
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
44111ISO/CD 6974-5Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 5: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columnsIzstrādē
Displaying 21-30 of 138 results.