Registration number (WIID)Project No.TitleStatus
29716ISO 6976:1995/Cor 2:1997Natural gas — Calculation of calorific values, density, relative density and Wobbe index from composition — Technical Corrigendum 2Atcelts
28970ISO 6976:1995/Cor 1:1997Natural gas — Calculation of calorific values, density, relative density and Wobbe index from composition — Technical Corrigendum 1: (Applies to French version only)Atcelts
13531ISO 6976:1995Natural gas — Calculation of calorific values, density, relative density and Wobbe index from compositionAtcelts
13530ISO 6976:1983Natural gas — Calculation of calorific value, density and relative densityAtcelts
13529ISO 6975:1997Natural gas — Extended analysis — Gas-chromatographic methodStandarts spēkā
13528ISO 6975:1986Natural gas — Determination of hydrocarbons from butane (C4) to hexadecane (C16) — Gas chromatographic methodAtcelts
39300ISO 6974-6:2002/Cor 1:2003Natural 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 columns — Technical Corrigendum 1Standarts spēkā
26238ISO 6974-6:2002Natural 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 columnsStandarts spēkā
57080ISO 6974-5:2014Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 5: Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbonsStandarts spēkā
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
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