1、附录 V 质谱中一些常见碎片离子m/z 碎片 离 子 m/z 碎 片 离 子14 CH215 CH373 C-OC2H5,C3H7OCH2O16 O17 OH74 (CH2-C-OCH3+H)O18 H2O, NH4 75 (COOC2H5 +2H), CH2SC2H519 F 77 C6H520 HF 78 (C6H5+H)26 CN 79 (C6H5+2H), Br27 C2H328 C2H4, CO, N280 NH CH2,(CH3SS+H),HBr29 C2H5, CHO30 CH2NH2, NO81 O CH232 CH2OH, OCH3 82 (CH2)4C=N33 SH 83
2、C6H1134 H2S 85 C6H13, C4H9C=O35 Cl 86 (C3H7COCH2+H), C4H9CHNH236 HCl 87 COOC3H739 C3H3 88 (CH2COOC2H5 +H)40 CH2CN41 C3H5, (CH2CN+ H)89 (COOC3H7+2H), C42 C3H643 C3H7,CH3C=O90 CH3CHONO2, CH44 CO2,(CH2CHO+H),CH3CHNH245 CH3CHOH,CH2CHOH,CH2OCH391 CH246 NO247 CH2SH,CH3S92 CH2+ H NCH248 CH3S+H54 CH2CH2C-N94 O+ H NH C=O55 C4H756 C4H895 O C=O57 C4H9,C2H5C=O 96 (CH3)5CN58 (CH3COCH2+H), C2H5CHNH268 (CH2)3CN97 S CH2C7H13,69 C5H9,CF3, C3H5CO 99 C7H1570 C5H10, (CH5CO+H) 100 (C4H9COCH2+H), C5H11CHNH271 C5H11,C5H7C=O
