DIN EN ISO 20765-5
Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022); German version EN ISO 20765-5:2022
Erdgas - Berechnung der thermodynamischen Eigenschaften - Teil 5: Berechnung der Viskosität, Joule-Thomson-Koeffizient und Isentropenexponent (ISO 20765-5:2022); Deutsche Fassung EN ISO 20765-5:2022
Responsible national committee
NA 062-05-73 AA - Gas analysis and gas quality
Responsible european committee
CEN/TC 238 - Test gases, test pressures, appliance categories and gas appliance types