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Ion Name	Ion Mass	Charge	Adduct Ion Mass	▲(M+ : Adduct)
1. Positive-Ion Mode
M+H	M + 1.007276	1+
M+NH4	M + 18.033823	1+
M+Na	M + 22.989218	1+
M+CH3OH+H	M + 33.033489	1+
M+K	M + 38.963158	1+
M+ACN+H	M + 42.033823	1+
M+2Na-H	M + 44.971160	1+
M+ACN+Na	M + 64.015765	1+
M+2K+H	M + 76.919040	1+
M+DMSO+H	M + 79.02122	1+
M+2ACN+H	M + 83.060370	1+
2M+H	2M + 1.007276	1+
2M+NH4	2M + 18.033823	1+
2M+Na	2M + 22.989218	1+
2M+3H2O+2H	2M + 28.02312	2+
2M+K	2M + 38.963158	1+
2M+ACN+H	2M + 42.033823	1+
2M+ACN+Na	2M + 64.015765	1+
2. Negative-Ion Mode				▲(M- : Adduct)
M-H	M – 1.007276	1-
M+Na-2H	M + 20.974666	1-
M+Cl	M + 34.969402	1-
M+K-2H	M + 36.948606	1-
M+HCOOH-H	M + 44.998201	1-
M+CH3COOH-H	M + 59.013851	1-
M+Br	M + 78.918885	1-
M+TFA-H	M + 112.985586	1-
2M-H	2M – 1.007276	1-
2M+HCOOH-H	2M + 44.998201	1-
2M+CH3COOH-H	2M + 59.013851	1-
3M-H	3M – 1.007276	1-