CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 66278 | EN ISO 6141:2015/A1:2020 | Gas analysis - Contents of certificates for calibration gas mixtures — Amendment 1: Cross reference list to ISO Guide 31:2015 (ISO 6141:2015/DAM 1:2019) | Izstrādē |
| 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) | Izstrādē |
| 63003 | EN ISO 6974-3:2018 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO/DIS 6974-3:2017) | Izstrādē |
| 30138 | EN ISO 6145-8:2008 | Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 8: Diffusion method (ISO 6145-8:2005) | Izstrādē |
| 78335 | FprEN ISO 14532 | Natural gas - Vocabulary (ISO/FDIS 14532:2026) | Izstrādē |
| 78847 | prEN ISO 6976 rev | Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition | Izstrādē |
| 32315 | EN ISO 12213-1:2009 | Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines (ISO 12213-1:2006) | Izstrādē |
| 34338 | EN ISO 6974-5:2014 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 5: Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbons (ISO/DIS 6974-5:2012) | Izstrādē |
| 26037 | EN 437:2003/prA1 | Test gases - Test pressures - Appliance categories | Izstrādē |
| 37358 | EN ISO 6142-1:2015 | Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures (ISO/DIS 6142-1:2014) | Izstrādē |
Displaying 111-120 of 126 results.