CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 18775 | EN ISO 6974-4:2001 | Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns (ISO 6974-4:2000) | Izstrādē |
| 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 |
| 71721 | EN 437:2021 | Test gases - Test pressures - Appliance categories | Izstrādē |
| 71725 | prEN ISO 13734 rev | Natural gas - Organic components used as odorants - Requirements and test methods | Izstrādē |
| 60267 | EN ISO 6976:2016 | Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016) | Izstrādē |
| 67516 | EN ISO 10715:2022 | Natural gas - Gas sampling (ISO 10715:2022) | Izstrādē |
| 30139 | EN ISO 6145-10:2008 | Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 10: Permeation method (ISO 6145-10:2002) | Izstrādē |
| 66279 | prEN ISO 14912 rev | Gas analysis - Conversion of gas mixture composition data | Izstrādē |
| 71673 | 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) | Izstrādē |
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