CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 62998 | EN ISO 23874:2018 | Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006) | Izstrādē |
| 32827 | EN ISO 6141:2015 | Gas analysis - Contents of certificates for calibration gas mixtures (ISO/DIS 6141:2013) | 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 |
| 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) | Standarts spēkā |
| 83984 | EN ISO 6142-1:2015/prA1 | Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - Amendment 1: Corrections to formulae in Annex E and Annex G (ISO 6142-1:2015/Amd 1:2020) | Izstrādē |
| 25707 | EN ISO 6143:2006 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2001) | Atcelts |
| 76595 | EN ISO 6143:2025 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025) | Standarts spēkā |
| 83589 | EN ISO 6143:2025/prA1 | Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures — Amendment 1: Software B_LEAST – Performance check for non-linear model functions using alternative computer programs | Izstrādē |
| 25708 | EN ISO 6144:2006 | Gas analysis - Preparation of calibration gas mixtures - Static volumetric method (ISO 6144:2003) | 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 |
Displaying 51-60 of 128 results.