Registration number (WIID)Project No.TitleStatus
64361EN ISO 6145-7:2018Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers (ISO/DIS 6145-7:2017)Standarts spēkā
62890LVS EN ISO 20765-2:2019Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015)Standarts spēkā
35800EN ISO 13734:2013Natural gas - Organic components used as odorants - Requirements and test methods (ISO/DIS 13734:2012)Standarts spēkā
66879EN ISO 15112:2018Natural gas - Energy determination (ISO/DIS 15112:2018)Standarts spēkā
74767CEN/TR 1404:2024Test gases - Determination of emissions from appliances burning gaseous fuels during type-testingStandarts spēkā
76595LVS EN ISO 6143:2025Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025)Standarts spēkā
66879LVS EN ISO 15112:2019Natural gas - Energy determination (ISO 15112:2018)Standarts spēkā
71060LVS EN ISO 10101-2:2022Natural gas - Determination of water by the Karl Fischer method - Part 2: Volumetric procedure (ISO 10101-2:2022)Standarts spēkā
81853EN ISO 6145-7:2018/prA1Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers - Amendment 1: Correction of formula C.4 (ISO 6145-7:2018/DAM 1:2025)Aptauja slēgta
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)Aptauja slēgta
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