5x10 ml kit of 4 Analytes in Iso-octane/Xylene (ASTM D4815-04)_x000D_ 4 components: Ethanol [CAS:64-17-5] 3% ; tert.-Butanol [CAS:75-65-0] 0.1% ; Methyl-tert.butylether [CAS:1634-04-4] 20% ; 2-Methyl-2-butanol [CAS:75-85-4] 1.25% in Iso-octane / Xylenes (49.17/26.48)