CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 64361 | EN ISO 6145-7:2018 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers (ISO/DIS 6145-7:2017) | Standarts spēkā |
| 62890 | LVS EN ISO 20765-2:2019 | Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015) | Standarts spēkā |
| 35800 | EN ISO 13734:2013 | Natural gas - Organic components used as odorants - Requirements and test methods (ISO/DIS 13734:2012) | Standarts spēkā |
| 66879 | EN ISO 15112:2018 | Natural gas - Energy determination (ISO/DIS 15112:2018) | Standarts spēkā |
| 74767 | CEN/TR 1404:2024 | Test gases - Determination of emissions from appliances burning gaseous fuels during type-testing | Standarts spēkā |
| 76595 | LVS EN ISO 6143:2025 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025) | Standarts spēkā |
| 66879 | LVS EN ISO 15112:2019 | Natural gas - Energy determination (ISO 15112:2018) | Standarts spēkā |
| 71060 | LVS EN ISO 10101-2:2022 | Natural gas - Determination of water by the Karl Fischer method - Part 2: Volumetric procedure (ISO 10101-2:2022) | Standarts spēkā |
| 81853 | EN ISO 6145-7:2018/prA1 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers - Amendment 1: Correction of formula C.4 (ISO 6145-7:2018/DAM 1:2025) | Aptauja slēgta |
| 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 |
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