CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 71673 | EN ISO 20765-5:2022 | Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO/DIS 20765-5:2020) | Izstrādē |
| 71059 | EN ISO 10101-1:2022 | Natural gas - Determination of water by the Karl Fischer method - Part 1: Introduction (ISO/DIS 10101-1:2020) | Izstrādē |
| 23970 | EN ISO 6978-1:2005 | Natural gas - Determination of mercury - Part 1: Sampling of mercury by chemisorption on iodine (ISO 6978-1:2003 ) | Izstrādē |
| 78847 | prEN ISO 6976 rev | Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition | Izstrādē |
| 71061 | EN ISO 10101-3:2022 | Natural gas - Determination of water by the Karl Fischer method - Part 3: Coulometric procedure (ISO/DIS 10101-3:2020) | Izstrādē |
| 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 |
| 81006 | prEN ISO 19739 rev | Natural gas — Determination of sulfur compounds using gas chromatography | 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 |
Displaying 31-40 of 129 results.