CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 71673 | EN ISO 20765-5:2022 | Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022) | Izstrādē |
| 81200 | - | Test Gases - Test pressures - Appliances categories for hydrogen admixtures - Expansion of EN 437-1 | Izstrādē |
| 26037 | EN 437:2003/prA1 | Test gases - Test pressures - Appliance categories | Izstrādē |
| 32828 | EN ISO 6145-1:2019 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 1: General aspects (ISO 6145-1:2019) | 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) | Izstrādē |
| 63003 | EN ISO 6974-3:2018 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 3: Precision and bias (ISO 6974-3:2018) | Izstrādē |
| 62998 | EN ISO 23874:2018 | Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006) | Izstrādē |
| 34335 | EN ISO 6974-2:2012 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012) | Izstrādē |
| 18775 | EN ISO 6974-4:2001 | Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns (ISO 6974-4:2000) | Izstrādē |
| 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 |
Displaying 31-40 of 124 results.