Registration number (WIID)Project No.TitleStatus
44412ISO 12213-3:2006Natural gas — Calculation of compression factor — Part 3: Calculation using physical propertiesStandarts spēkā
44411ISO 12213-2:2006Natural gas — Calculation of compression factor — Part 2: Calculation using molar-composition analysisStandarts spēkā
44137ISO 6978-2:2003/Cor 2:2006Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloy — Technical Corrigendum 2Standarts spēkā
44112ISO/NP 6976Natural gas — Calculation of calorific value, density, relative density and Wobbe index from compositionIzstrādē
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
44110ISO/NP 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 packed columnsIzstrādē
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
44108ISO 6974-2:2012Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculationsStandarts spēkā
43769ISO/TR 24094:2006Analysis of natural gas — Validation methods for gaseous reference materialsStandarts spēkā
42932ISO 6326-1:2007Natural gas — Determination of sulfur compounds — Part 1: General introductionAtcelts
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