Registration number (WIID)Project No.TitleStatus
25856ISO 6974-5:2000Natural 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 columnsAtcelts
18803ISO 10715:1997Natural gas — Sampling guidelinesAtcelts
13532ISO 6977:1983Natural gas — Determination of water and methanol contents — Gas chromatographic methodAtcelts
13527ISO 6974:1984Natural gas — Determination of hydrogen, inert gases and hydrocarbons up to C8 — Gas chromatographic methodAtcelts
33717ISO/DIS 6978-2Natural gas — Determination of mercury — Part 2: Sampling of mercury by chemisorption on iodineIzstrādē
87365ISO/DIS 14111Natural gas — Guidelines to metrological traceabilityIzstrādē
33718ISO/DIS 6978-3Natural gas — Determination of mercury — Part 3: Sampling of mercury by amalgamation on gold/platinum alloyIzstrādē
83616ISO/DIS 6974-4Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 4: Guidelines and requirements for gas analysisIzstrādē
83617ISO/AWI 20765-3Natural gas — Calculation of thermodynamic properties — Part 3: Two-phase properties (vapour-liquid equilibria)Izstrādē
92658ISO/AWI 20765-4Natural gas — Calculation of thermodynamic properties — Part 4: Gross characterisation method for fluid phase propertiesIzstrādē
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