CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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: Correction of formula C.4 (ISO 6145-7:2018/DAM 1:2025) | Izstrādē |
| 32827 | EN ISO 6141:2015 | Gas analysis - Contents of certificates for calibration gas mixtures (ISO/DIS 6141:2013) | Izstrādē |
| 40208 | EN ISO 15970:2014 | Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008) | Izstrādē |
| 81006 | prEN ISO 19739 rev | Natural gas — Determination of sulfur compounds using gas chromatography | Izstrādē |
| 82173 | prEN ISO 15403-1 rev | Natural gas — Natural gas for use as a compressed fuel for vehicles — Part 1: Designation of the quality | 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 |
| 81528 | prEN ISO 6978-2 rev | Natural gas — Determination of mercury — Part 2: Sampling of mercury by amalgamation on gold/platinum alloy | Izstrādē |
| 32317 | EN ISO 12213-3:2009 | Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:2006) | Izstrādē |
| 28628 | CEN ISO/TR 24094:2007 | Analysis of natural gas - Validation methods for gaseous reference materials (ISO/TR 24094:2006) | Izstrādē |
Displaying 111-120 of 129 results.