CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 77314 | prEN ISO 6974-4 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 4: Guidance on gas analysis (ISO/DIS 6974-4:2025) | Aptauja slēgta |
| 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 |
| 40209 | EN ISO 15971:2014 | Natural gas - Measurement of properties - Calorific value and Wobbe index (ISO 15971:2008) | Standarts spēkā |
| 23971 | EN ISO 6978-2:2005 | Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy (ISO 6978-2:2003) | Standarts spēkā |
| 63008 | EN ISO 6978-2:2005/AC:2016 | Natural gas - Determination of mercury - Part 2: Sampling of mercury by amalgamation on gold/platinum alloy - Technical Corrigendum 2 (ISO 6978-2:2003/Cor 2:2006) | Standarts spēkā |
| 32962 | EN ISO 19739:2005/AC:2009 | Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009) | Standarts spēkā |
| 18755 | EN ISO 19739:2005 | Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004) | Standarts spēkā |
| 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) | Standarts spēkā |
| 67717 | EN 1749:2020 | European standard for the classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types) | Standarts spēkā |
| 32828 | EN ISO 6145-1:2019 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 1: General aspects (ISO 6145-1:2019) | Standarts spēkā |
Displaying 91-100 of 125 results.