CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 30136 | EN ISO 6145-4:2008 | Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 4: Continuous syringe injection method (ISO 6145-4:2004) | Izstrādē |
| 35009 | EN ISO 6145-5:2010 | Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 5: Capillary calibration devices (ISO 6145-5:2009) | Izstrādē |
| 38704 | EN ISO 6145-6:2017 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 6: Critical flow orifices (ISO/DIS 6145-6:2016) | Izstrādē |
| 64361 | EN ISO 6145-7:2018 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers (ISO/DIS 6145-7:2017) | Standarts spēkā |
| 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) | Aptauja slēgta |
| 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 |
| 35011 | EN ISO 6145-9:2010 | Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 9: Saturation method (ISO 6145-9:2009) | Izstrādē |
| 18756 | EN ISO 6326-3:1997 | Natural gas - Determination of sulfur compounds - Part 3: Determination of hydrogen sulfide, mercaptan sulfur and carbonyl sulfide sulfur by potentiometry (ISO 6326-3:1989) | Atcelts |
| 18757 | EN ISO 6326-5:1997 | Natural gas - Determination of sulfur compounds - Part 5: Lingener combustion method (ISO 6326-5:1989) | Atcelts |
| 28646 | EN ISO 6327:2008 | Gas analysis - Determination of the water dew point of natural gas - Cooled surface condensation hygrometers (ISO 6327:1981) | Izstrādē |
Displaying 61-70 of 125 results.