Registration number (WIID)Project No.TitleStatus
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
63008EN ISO 6978-2:2005/AC:2016Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy - Technical Corrigendum 2 (ISO 6978-2:2003/Cor 2:2006)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
23971EN ISO 6978-2:2005Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy (ISO 6978-2:2003)Standarts spēkā
67717EN 1749:2020Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)Standarts spēkā
18755EN ISO 19739:2005Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)Standarts spēkā
32962EN ISO 19739:2005/AC:2009Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009)Standarts spēkā
64361EN ISO 6145-7:2018Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers (ISO 6145-7:2018)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
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
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