A novel chemical ionization/fast atom bombardment (CI/FAB) source was used to analyse alkenes by chemical ionization mass spectrometry (CI-MS) using copper ions as the ionizing agent. The Cu Y -CI mass spectra showed abundant pseudomolecular adduct ions [alkene-Cu] Y and characteristic fragment ions
Analysis of 2,2-di(p-oligooxyethylenephenyl)propane by gas chromatography and gas chromatography—mass spectrometry
✍ Scribed by H. Szewczyk; E. Dziwiński; P. Kroól
- Book ID
- 104144670
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 356 KB
- Volume
- 446
- Category
- Article
- ISSN
- 1873-3778
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✦ Synopsis
Gas chromatography
and gas chromatography-mass spectrometry were used to analyse polydisperse mixtures of diols containing up to ten oxyethylene groups. The products were analysed as their trimethylsilyl derivatives. Arithmetic retention indices were determined for the diol homologues.
The mass spectra of the trimethylsilyl derivatives of the compounds investigated are discussed.
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The analysis of spike oil was carried out by gas chromatography-mass spectrometry without any preliminary separations, and some of the major components of spike oil were identified. The minor components were assigned at least to definite classes of organic compounds.