CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 25708 | EN ISO 6144:2006 | Gas analysis - Preparation of calibration gas mixtures - Static volumetric method (ISO 6144:2003) | Izstrādē |
| 76595 | EN ISO 6143:2025 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025) | Standarts spēkā |
| 25707 | EN ISO 6143:2006 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2001) | Atcelts |
| 37358 | EN ISO 6142-1:2015 | Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures (ISO 6142-1:2015) | 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 and ISO/IEC 17025:2017 (ISO 6141:2015/Amd 1:2020) | Izstrādē |
| 32827 | EN ISO 6141:2015 | Gas analysis - Contents of certificates for calibration gas mixtures (ISO 6141:2015) | Izstrādē |
| 62998 | EN ISO 23874:2018 | Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006) | 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 |
| 62890 | EN ISO 20765-2:2018 | 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) | Izstrādē |
| 62889 | EN ISO 20765-1:2018 | Natural gas - Calculation of thermodynamic properties - Part 1: Gas phase properties for transmission and distribution applications (ISO 20765-1:2005) | Izstrādē |
Displaying 71-80 of 124 results.