High energy collisional spectroscopy of [RCOO] −  anions from negative ion chemical ionization of fatty acid methyl esters | Zendy

Bambagiotti A. Massimo | Zendy; Coran Silvia A. | Zendy; Vincieri Franco F. | Zendy; Petrucciani Tiziano | Zendy; Traldi Pietro | Zendy

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High energy collisional spectroscopy of [RCOO] − anions from negative ion chemical ionization of fatty acid methyl esters

Author(s) -

Bambagiotti A. Massimo,

Coran Silvia A.,

Vincieri Franco F.,

Petrucciani Tiziano,

Traldi Pietro

Publication year - 1986

Publication title -

organic mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0030-493X

DOI - 10.1002/oms.1210210807

Subject(s) - chemistry , mass spectrometry , ion , dissociation (chemistry) , chemical ionization , ionization , mass spectrum , electron ionization , collision induced dissociation , carboxylate , spectroscopy , kinetic energy , analytical chemistry (journal) , organic chemistry , chromatography , tandem mass spectrometry , physics , quantum mechanics

Saturated and mono‐unsaturated fatty acid methyl esters as well as corresponding underivatized acids gave abundant carboxylate anions [RCOO] − under negative ion chemical ionization (OH − and NH 2 − ) and electron attachment conditions. B/E or mass‐analysed ion kinetic energy spectra of fragments arising from high energy collision activated dissociation (CAD) of these [RCOO] − species contained decisive information on the original structure of the neutrals. From an analytical point of view, the method can utilize the gas chromatographic mass spectrometric combination and, in the B/E mode, can be used in practice on any double‐focusing mass spectrometer.

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