Registration number (WIID)Project No.TitleStatus
76595LVS EN ISO 6143:2025Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025)Standarts spēkā
74767CEN/TR 1404:2024Test gases - Determination of emissions from appliances burning gaseous fuels during type-testingStandarts 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
66879LVS EN ISO 15112:2019Natural gas - Energy determination (ISO 15112:2018)Standarts spēkā
62998LVS EN ISO 23874:2019Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006)Standarts spēkā
28626EN ISO 15403-1:2008Natural gas - Natural gas for use as a compressed fuel for vehicles - Part 1: Designation of the quality (ISO 15403-1:2006)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
78268prEN ISO 14111Natural gas - Guidelines to metrological traceability (ISO/DIS 14111:2026)Aptauja slēgta
79472prEN ISO 13734 revNatural gas - Organic components used as odorants for fuel gases - Requirements and test methods (ISO/DIS 13734 rev:2026)Aptauja slēgta
83984EN ISO 6142-1:2015/prA1Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - Amendment 1: Corrections to formulae in Annex E and Annex G (ISO 6142-1:2015/Amd 1:2020)Aptauja
Displaying 31-40 of 129 results.