Registration number (WIID)Project No.TitleStatus
25707EN ISO 6143:2006Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2001)Izstrādē
37358EN ISO 6142-1:2015Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures (ISO 6142-1:2015)Izstrādē
66278EN ISO 6141:2015/A1:2020Gas analysis - Contents of certificates for calibration gas mixtures - Amendment 1: Cross reference list to ISO Guide 31:2015 and ISO/IEC 17025:2017 (ISO 6141:2015/Amd 1:2020)Izstrādē
32827EN ISO 6141:2015Gas analysis - Contents of certificates for calibration gas mixtures (ISO 6141:2015)Izstrādē
62998EN ISO 23874:2018Natural gas - Gas chromatographic requirements for hydrocarbon dewpoint calculation (ISO 23874:2006)Izstrādē
71673EN ISO 20765-5:2022Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022)Izstrādē
62890EN ISO 20765-2:2018Natural 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
62889EN ISO 20765-1:2018Natural gas - Calculation of thermodynamic properties - Part 1: Gas phase properties for transmission and distribution applications (ISO 20765-1:2005)Izstrādē
32962EN ISO 19739:2005/AC:2009Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009)Standarts spēkā
18755EN ISO 19739:2005Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)Standarts spēkā
Displaying 71-80 of 121 results.