Formation of metal-ion adducts and evidence for surface-catalyzed ionization in electrospray analysis of pharmaceuticals and pesticides
By: E. M. Thurman and I. Ferrer
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Abstract
The formation of metal ion adducts in liquid chromatography/mass spectrometry positive-ion electrospray analysis of pharmaceuticals and pesticides was investigated. The evidence of surface-catalyzed ionization in the electrospray analysis was also studied. Both positive and negative ion mass spectrometry were used for the analysis of the products. It was found that the sodium adducts formed in the analysis included single, double, and triple sodium adducts. Adduction was found to occur by attachment of the metal ion to carboxyl, carbonyl and aromatic pi electrons of the molecule.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Formation of metal-ion adducts and evidence for surface-catalyzed ionization in electrospray analysis of pharmaceuticals and pesticides |
| Year Published | 2002 |
| Language | English |
| Larger Work Title | Proceedings 50th ASMS Conference on Mass Spectrmetry and Allied Topics |
| First page | 657 |
| Last page | 658 |
| Conference Title | Porceedings - 50th ASMS Conference on Mass Spectrometry and Allied Topics |
| Conference Location | Orlando, FL |
| Conference Date | 2 June 2002 through 6 June 2002 |
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