CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 25708 | EN ISO 6144:2006 | Gas analysis - Preparation of calibration gas mixtures - Static volumetric method (ISO 6144:2003) | Izstrādē |
| 84218 | EN ISO 12213-2:2009/prA1 | Natural gas — Calculation of compression factor — Part 2: Calculation using molar-composition analysis — Amendment 1 | Izstrādē |
| 34335 | EN ISO 6974-2:2012 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO/DIS 6974-2:2010) | Izstrādē |
| 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 |
| 81006 | prEN ISO 19739 rev | Natural gas — Determination of sulfur compounds using gas chromatography | Izstrādē |
| 40208 | EN ISO 15970:2014 | Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008) | Izstrādē |
| 81200 | - | Test Gases - Test pressures - Appliances categories for hydrogen admixtures - Expansion of EN 437-1 | Izstrādē |
| 34596 | EN ISO 10723:2012 | Natural gas - Performance evaluation for on-line analytical systems (ISO/DIS 10723:2011) | Izstrādē |
| 23975 | EN ISO 13443:2005 | Natural gas - Standard reference conditions (ISO 13443:1996 including Corrigendum 1:1997) | Izstrādē |
Displaying 11-20 of 128 results.