CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 76144 | prEN 437 rev | Test gases - Test pressures - Appliance categories | 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 |
| 18777 | EN ISO 6974-6:2005 | Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns (ISO 6974-6:2002) | 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 |
| 39900 | prEN ISO 16960 | Natural gas - Determination of sulfur compounds - Determination of total sulfur by oxidative microcoulometry method (ISO/DIS 16960:2013) | Izstrādē |
| 23970 | EN ISO 6978-1:2005 | Natural gas - Determination of mercury - Part 1: Sampling of mercury by chemisorption on iodine (ISO 6978-1:2003 ) | 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 |
| 74768 | prCEN/TR 1472 | General guidance for the marking of gas appliances | Izstrādē |
Displaying 51-60 of 125 results.