Fragmentation of molecular ions of fatty acid methyl esters into methoxycarbonylalkyl ions by electron impact
β Scribed by W. Sonneveld; D. van der Steen; H. J. J. Pabon
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 506 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0165-0513
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π SIMILAR VOLUMES
Low-energy collision-induced dissociation (CID) of the molecular ions of fatty acid methyl esters obtained by electron ionization (70 eV) decompose in the tandem quadrupole mass spectrometer to yield a regular homologous series of carbomethoxy ions. Even at energies up to 200 eV (E lab), primarily c
## Abstract Methyl ester of abscisic acid (ABA), a plant hormone, gives a dehydrated ion at __m__/__z__ 260 in electron ionization mass spectrometry (EIβMS). This dehydrated ion had been considered to be derived only from the elimination of the tertiary hydroxyl group at Cβ1β². We found that 34% of