CEN/TC 238
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
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 |
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 |
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 |
34596 | EN ISO 10723:2012 | Natural gas - Performance evaluation for analytical systems (ISO 10723:2012) | 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 |
30140 | EN ISO 6145-11:2008 | Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 11: Electrochemical generation (ISO 6145-11:2005) | Izstrādē |
30141 | EN ISO 15796:2008 | Gas analysis - Investigation and treatment of analytical bias (ISO 15796:2005) | 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 |
79472 | prEN ISO 13734 rev | Natural gas — Organic components used as odorants — Requirements and test methods | Izstrādē |
67516 | EN ISO 10715:2022 | Natural gas - Gas sampling (ISO 10715:2022) | Izstrādē |
Displaying 41-50 of 124 results.