DIN EN ISO 6974-5:2014-10
Действует
Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 5: Isothermal method for nitrogen, carbon dioxide, C<(Index)1> to C<(Index)5> hydrocarbons and C<(Index)6+> hydrocarbons (ISO 6974-5:2014); German version EN ISO 6974-5:2014
— 35 стр.