Registration number (WIID)Project No.TitleStatus
82173prEN ISO 15403-1 revNatural gas — Natural gas for use as a compressed fuel for vehicles — Part 1: Designation of the qualityIzstrādē
39900prEN ISO 16960Natural gas - Determination of sulfur compounds - Determination of total sulfur by oxidative microcoulometry method (ISO/DIS 16960:2013)Izstrādē
81006prEN ISO 19739 revNatural gas — Determination of sulfur compounds using gas chromatographyIzstrādē
83897prEN ISO 6145-4 revGas analysis — Preparation of calibration gas mixtures using dynamic volumetric methods — Part 4: Continuous syringe injection methodIzstrādē
18754prEN ISO 6326-1Natural gas - Determination of sulfur compounds - Part 1: General introduction (ISO 6326-1:2007)Atcelts
77314prEN ISO 6974-4Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 4: Guidance on gas analysis (ISO/DIS 6974-4:2025)Izstrādē
78847prEN ISO 6976 revNatural gas — Calculation of calorific values, density, relative density and Wobbe indices from compositionIzstrādē
81528prEN ISO 6978-2 revNatural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloyIzstrādē
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