CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 38704 | EN ISO 6145-6:2017 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 6: Critical flow orifices (ISO 6145-6:2017) | Izstrādē |
| 40209 | FprEN ISO 15971 | Natural gas - Measurement of properties - Calorific value and Wobbe index (ISO 15971:2008) | Izstrādē |
| 30141 | EN ISO 15796:2008 | Gas analysis - Investigation and treatment of analytical bias (ISO 15796:2005) | Izstrādē |
| 34630 | EN ISO 6974-1:2012 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012) | Izstrādē |
| 18769 | EN ISO 14111:1999 | Natural gas - Guidelines to traceability in analysis (ISO 14111:1997) | Izstrādē |
| 32317 | EN ISO 12213-3:2009 | Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:2006) | 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 |
| 61352 | EN ISO 14532:2017 | Natural gas - Vocabulary (ISO 14532:2014) | Izstrādē |
| 62890 | EN ISO 20765-2:2018 | Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015) | 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 |
Displaying 31-40 of 121 results.