Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
Original Papers
Liquid Ionization Mass Spectrometry of Some Triorganotin Carboxylates
Moucun YUANTakeo KANEKOYukio YOKOYAMAMasahiko TSUCHIYA
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2001 Volume 17 Issue 12 Pages 1405-1411

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Abstract

The liquid ionization (LPI) mass spectra of the triorganotin carboxylates were described and compared with those obtained by other methods such as EI, FAB and ESI, in which [M + H]+ were not observed or the spectra were complicated. The liquid ionization mass spectra of triorganotin carboxylates varied with solvents and sample concentrations. For instance, the fragment ions [M + (C4H9)3Sn]+ of dimeric ions were observed with chloroform used as a solvent, while the [M + H]+ were observed as the base peak using ethylene dichloride. Spectra useful for the differentiation of isomers [C8H7O3Sn(C4H9)3] were obtained by the formation of characteristic adduct ions, such as [M + EA + H]+ and [M + 2EA + H]+, with a reagent like 2-aminoethanol. Collision-induced dissociation (CID) spectra observed by ESI and LPI mass spectrometry were similar and provided less information than adduct ions did.

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© 2001 by The Japan Society for Analytical Chemistry
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