Hydroxylamine derivative in Purex Process II. Study on the kinetics and mechanism of redox reaction between N,N-diethylhydroxylamine and vanadium(V)

Authors
Zhang, AY Hu, JX Zhang, XY Wang, FD
Citation
Ay. Zhang et al., Hydroxylamine derivative in Purex Process II. Study on the kinetics and mechanism of redox reaction between N,N-diethylhydroxylamine and vanadium(V), J RAD NUCL, 247(3), 2001, pp. 525-530
Citations number
9
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
ISSN journal
02365731 → ACNP
Volume
247
Issue
3
Year of publication
2001
Pages
525 - 530
Database
ISI
SICI code
0236-5731(200103)247:3<525:HDIPPI>2.0.ZU;2-#
Abstract
The kinetics of the oxidation-reduction reaction between N,N-diethylhydroxy lamine (DEHAN) and vanadium(V) in nitric acid media have been studied by sp ectrophotometry at 13.5 degreesC. The rate equation of reaction was found t o be -d[V(V)/dt = k[V(V)I [DEHAN] by investigating the influence of the con centration, acidity, ionic strength and the effect of initial concentration on reaction. The rate constant of reaction k = 36.38 mol/l(-2).min(-1) whe n mu = 2.0 mol/l. A possible mechanism of reaction has been suggested on th e basis of chemical analysis, H-1 NMR and ESR spectra.