CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 76595 | EN ISO 6143:2025 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025) | Standarts spēkā |
| 76596 | LVS EN ISO 14912:2025 | Gas analysis - Conversion of gas mixture composition data (ISO 14912:2025) | Standarts spēkā |
| 76596 | EN ISO 14912:2025 | Gas analysis - Conversion of gas mixture composition data (ISO 14912:2025) | Standarts spēkā |
| 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 |
| 78268 | prEN ISO 14111 rev | Natural gas — Guidelines to traceability in analysis | Izstrādē |
| 78335 | prEN ISO 14532 | Natural gas - Vocabulary (ISO/DIS 14532:2025) | Aptauja slēgta |
| 78847 | prEN ISO 6976 rev | Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition | Izstrādē |
| 79472 | prEN ISO 13734 rev | Natural gas — Organic components used as odorants — Requirements and test methods | Izstrādē |
| 80274 | prEN ISO 15112 rev | Natural gas — Energy determination | Izstrādē |
| 81006 | prEN ISO 19739 rev | Natural gas — Determination of sulfur compounds using gas chromatography | Izstrādē |
Displaying 111-120 of 124 results.