CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 | Izstrādē |
| 81528 | prEN ISO 6978-2 rev | Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloy | Izstrādē |
| 81200 | - | Test Gases - Test pressures - Appliances categories for hydrogen admixtures - Expansion of EN 437-1 | Izstrādē |
| 81006 | prEN ISO 19739 rev | Natural gas — Determination of sulfur compounds using gas chromatography | Izstrādē |
| 80274 | prEN ISO 15112 rev | Natural gas — Energy determination | Izstrādē |
| 79472 | prEN ISO 13734 rev | Natural gas — Organic components used as odorants — Requirements and test methods | Izstrādē |
| 78847 | prEN ISO 6976 rev | Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition | Izstrādē |
| 78335 | prEN ISO 14532 rev | Natural gas — Vocabulary | Izstrādē |
| 78268 | prEN ISO 14111 rev | Natural gas — Guidelines to traceability in analysis | 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) | Aptauja |
Displaying 1-10 of 121 results.