Kinetics of ammonium hexafluorotitanate pyrohydrolysis in the presence of (NH4)(2)SiF6

Authors
Mel'nichenko, EI Maslennikova, IG Epov, DG Kurilenko, LN
Citation
Ei. Mel'Nichenko et al., Kinetics of ammonium hexafluorotitanate pyrohydrolysis in the presence of (NH4)(2)SiF6, RUS J AP CH, 73(3), 2000, pp. 397-400
Citations number
7
Categorie Soggetti
Chemistry
Journal title
RUSSIAN JOURNAL OF APPLIED CHEMISTRY
ISSN journal
10704272 → ACNP
Volume
73
Issue
3
Year of publication
2000
Pages
397 - 400
Database
ISI
SICI code
1070-4272(200003)73:3<397:KOAHPI>2.0.ZU;2-9
Abstract
Kinetics of the pyrohydrolysis of mixed fluoroammonium salts at 280-440 deg rees C was studied by isothermal gravimetry using a model system and an act ual sublimate obtained from ilmenite concentrate. The rate constants and ac tivation energies of the process were calculated.