Registration number (WIID)Project No.TitleStatus
34335EN ISO 6974-2:2012Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012)Izstrādē
32315EN ISO 12213-1:2009Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines (ISO 12213-1:2006)Izstrādē
34338EN ISO 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+ hydrocarbons (ISO 6974-5:2014)Izstrādē
76144prEN 437 revTest gases - Test pressures - Appliance categoriesIzstrādē
26037EN 437:2003/prA1Test gases - Test pressures - Appliance categoriesIzstrādē
37358EN ISO 6142-1:2015Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures (ISO 6142-1:2015)Izstrādē
62998EN ISO 23874:2018Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006)Izstrādē
74768prCEN/TR 1472General guidance for the marking of gas appliancesIzstrādē
81853EN ISO 6145-7:2018/prA1Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 7: Thermal mass-flow controllers — Amendment 1Izstrādē
30140EN ISO 6145-11:2008Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 11: Electrochemical generation (ISO 6145-11:2005)Izstrādē
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