Registration number (WIID)Project No.TitleStatus
23968EN ISO 6975:2005Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997)Standarts spēkā
32828EN ISO 6145-1:2019Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 1: General aspects (ISO 6145-1:2019)Standarts spēkā
67717LVS EN 1749:2020Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)Standarts spēkā
60267LVS EN ISO 6976:2016Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)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
71673LVS EN ISO 20765-5:2022Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022)Standarts spēkā
71061LVS EN ISO 10101-3:2023Natural gas - Determination of water by the Karl Fischer method - Part 3: Coulometric procedure (ISO 10101-3:2022)Standarts spēkā
71059LVS EN ISO 10101-1:2022Natural gas - Determination of water by the Karl Fischer method - Part 1: General requirements (ISO 10101-1:2022)Standarts spēkā
30136EN ISO 6145-4:2008Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 4: Continuous syringe injection method (ISO 6145-4:2004)Standarts spēkā
67516LVS EN ISO 10715:2023Natural gas - Gas sampling (ISO 10715:2022)Standarts spēkā
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