Gas Mixture 5: C6, C7, C8, C9 without O2. 10 liter cylinder for purchase with PO 24 DIN 477 HPBR DIN 14 connections Filling (6361 hPa) Mixture 5 components: (mol percent) Nitrogen 4 CO2 1,5 Methane 88,86 Ethane 4 Propane 1 i-Butane 0,2 n-Butane 0,2 neo-Pentane 0,1 i-Pentane 0,05 n-Pentane 0,05 n-Hexane 0,01 n-Heptan 0,01 n-Octane 0,01 n-Nonane 0.01