Compounds m/za Alkanes 57, 71, 85, 99 C1 to C4 alkylbenzenes 91, 105, 114 Alicyclics and olefinics hydrocarbon 55, 69, 83, 97 Benzene, C1 to C3 alkylbenzenes 78, 92, 106, 120 C4 to C5 alkylbenzenes 119, 134, 148, 162 Alkylnaphthalenes 128, 142, 156, 170 aBoldfaced ions represent the selected ions

Table 2: Characteristic ions for accelerant pattern identification [31, 40].