Gas chromatography-mass spectrometry of the picolinyl ester derivatives of deuterated acetylenic fatty acids
β Scribed by M.S.F. Lie Ken Jie; Y.C. Choi
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 398 KB
- Volume
- 625
- Category
- Article
- ISSN
- 1873-3778
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π SIMILAR VOLUMES
The electron impact (EI) mass spectral analysis of the picolinyl esters of nine positional isomers of conjugated diacetylenic fatty acids showed prominent M + and [M-l] + peaks. In all cases there was a regular series of ions 14 amu apart in the high molecular weight range until the triple bond syst
Picoliiyl and methyl ester derivatives of all the isomeric thialaurates and thiastearates, together with some dithiastearates, have been characterized by gas chromatography/mass spectrometry. The picolinyl ester derivatives give simple electron impact mass spectra in which ions formed by cleavage at