Selective reagents in chemical ionization mass spectrometry: Tetramethylsilane
โ Scribed by David Clemens; Burnaby Munson
- Book ID
- 102965341
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 643 KB
- Volume
- 20
- Category
- Article
- ISSN
- 1076-5174
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Cbemical ionization mpss spectra of halomethanes measured using tetramethylsiiaw as reagent gas exhibit three major peaks corresponding to [ M + SiMe,l\*, IM -XI + and (MeSi)lX+ ions (X = C1, Br or I). Dihalomethaws CH,X, form tbe most stable silylated molecular iom, whereas in the mass spectra of t
Chemical ionization mass spectra of halogenoalkanes (RX) obtained using tetramethylsilane as reagent gas show two major peaks corresponding to the cluster ion RX+SiMe3 and alkyl ion R+. Iodides exhibit the highest affinity toward the trimethylsilyl ion and produce the most stable silylated molecular
The tetramethylsilane (TMS) chemical ionization (CI) spectra of the mono-substituted aromatics studied contain M+' and adduct [M + (CH, 1, IS]' ions. Abundant M+' ions are observed in compounds with electrondonating groups and are attributed to charge-exchange reactions of reactant ions in the TMS C