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Mass spectrometric identification of double bond positional isomers of hexadecenyl acetate without chemical derivatization

โœ Scribed by Gu Yuan; Michio Horiike; Chul-Sa Kim; Chisato Hirano


Book ID
112060253
Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
374 KB
Volume
12
Category
Article
ISSN
0256-7660

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Ten positional isomers (A2-A1') of unmodified dodecenal were analysed by conventional combined gas chromatography/electron impact mass spectrometry. The relative abundances of some predominant fragments in the isomers examined varied with the position of the original double bond. Eminent dominance o

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Similarity of mass spectra of double-bond positional isomers of tetradecen-1-ols and their acetates was evaluated, based on the intensity ratios of pairs of predominant ions, transformed by a novel equation to define a similarity index.

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Twelve positional isomers of tetradecenol were analysed by conventional combined gas chromatography/mass spectrometry without any chemical derivatization for the elucidation of the double-bond position. The spectra were interpreted in terms of similarity of mass spectral patterns based on a fuzzy re

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Fourteen isomers of chemically unmodified hexadecenol were analysed by two types of quadrupole mass spectrometer, coupled with a gas chromatograph, for the location of the double-bond position. A series of spectra were interpreted in terms of mass spectral patterns on a fuzzy classification, in whic