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Factors influencing the formation of some characteristic fragment ions in the mass spectra of 16-trimethylsilyloxy androstanes

โœ Scribed by Paul Vouros; D. J. Harvey


Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
544 KB
Volume
6
Category
Article
ISSN
1076-5174

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โœ Elizabeth P. Burrows ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 428 KB

Mass spectra of seven related N-heterocyclics, introduced by direct exposure probe, were determined in electron impact (EI) and positive-and negative-ion chemical ionization (PCI and NCI) modes. Proton adducts were the predominant molecular ion species in the EI and PCI modes. In addition, a variety