CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 32589 | EN 437:2003+A1:2009 | Test gases - Test pressures - Appliance categories | Atcelts |
| 18774 | EN ISO 6974-3:2001 | Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns (ISO 6974-3:2000) | Atcelts |
| 23969 | EN ISO 6976:2005 | Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999) | Atcelts |
| 25707 | EN ISO 6143:2006 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2001) | Atcelts |
| 78335 | prEN ISO 14532 | Natural gas - Vocabulary (ISO/DIS 14532:2025) | Aptauja |
| 77314 | prEN ISO 6974-4 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 4: Guidance on gas analysis (ISO/DIS 6974-4:2025) | Aptauja slēgta |
| 71673 | LVS EN ISO 20765-5:2022 | Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022) | Standarts spēkā |
| 18755 | EN ISO 19739:2005 | Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004) | Standarts spēkā |
| 28626 | EN ISO 15403-1:2008 | Natural gas - Natural gas for use as a compressed fuel for vehicles - Part 1: Designation of the quality (ISO 15403-1:2006) | Standarts spēkā |
| 66879 | EN ISO 15112:2018 | Natural gas - Energy determination (ISO 15112:2018) | Standarts spēkā |
Displaying 91-100 of 124 results.