The formation of the anilinium ion from the ammonium ion in the ammonia chemical ionization of substituted benzenes
β Scribed by John Alfred Stone; Dena Ellen Splinter; Joanne McLaurin; Anastasia C. M. Wojtyniak
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- English
- Weight
- 300 KB
- Volume
- 19
- Category
- Article
- ISSN
- 1076-5174
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Thermodynamic parameters of ionization of a number of substituted anilinium ions were measured in water and in ethanol-water mixtures at 25Β°C. Both the enthalpy and entropy of ionization show extreme values in a solvent mixture containing 0,90 mole fraction of water. Free energy values decrease smoo
## Abstract The observation of doubly charged ions in field ionization with blade or wire emitters does not in itself indicate that high excitation energies (β₯ 17 eV) are accessible through gas phase ionization with such emitters.
Alkenic compounds when subjected to chemical ionization with NO+ yield two acylium ions by oxidative cleavage of the double bond. Studies on the mechanism of formation of these ions are reported.