Fast atom bombardment ionization of porphyrins: studies of reduction processes and use in coupling of thin-layer chromatography with mass spectrometry
β Scribed by Schurz, Helen H.; Busch, Kenneth L.
- Book ID
- 126989700
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 870 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0887-0624
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## Abstract In this mass spectrometry (MS) study of doubly charged porphyrin salts, fast atom bombardment (FAB) and matrixβassisted laser desorption/ionization (MALDI) MS techniques are utilized to examine several unique ionic species. The predominant transformation of preformed doubly charged ions
The reduction of selected redox indicator dyes during fast atom bombardment mass spectrometry was investigated in several different matrices. Reduction is indicated by the incorporation of one or more hydrogens into the cation of the dye. The extent of reduction of the analyte can be related to the