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. Author manuscript; available in PMC: 2011 Apr 11.
Published in final edited form as: J Am Soc Mass Spectrom. 2011 Jan 15;22(3):531–538. doi: 10.1007/s13361-010-0048-x

Table 1.

Ions (with their branching ratios, corrected for 13C isotope; only ions with branching ratios ≥ 5% are listed) formed upon LIAD/APCI of model compounds

Reagent
 CH3OH/H2O IE = 10.84 eV PA = 754.3 kJ/mol (methanol) Benzene IE= 9.24 eV PA = 750.4 kJ/mol CS2 IE = 10.07 eV PA = 681.9 kJ/mol
Analyte
graphic file with name nihms-257856-t0002.jpg M+H+ 100% M+H+
M+• 		80%
20%		 M+H+
M+• 		30%
70%
 
graphic file with name nihms-257856-t0003.jpg M+H+ 100% M+H+
M+• 		48%
52%		 M+H+
M+• 		9%
91%
 
graphic file with name nihms-257856-t0004.jpg M+H+
m/z 329		 95%
5%		 M+H+
M+•
m/z 341
(-(CH3)2C=CH-CH2)		 7%
76%
17%
 M+H+
M+• 		8%
92%
 
graphic file with name nihms-257856-t0005.jpg No ions detected M+•
m/z 218		 80%
20%		 M+•
M-H+
m/z 218		 81%
8%
11%
 
graphic file with name nihms-257856-t0006.jpg M+H+
M+H+-H2O
M+H+-2H2O		 46%
45%
9%		 M+H+
M+•
M+H+-H2O		 4%
87%
9%		 M+•
M+H+-H2O
M+H+-2H2O		 73%
19%
8%