Simulation of the effect of hydroxyethylidenediphosphonic acid on the kinetics of copper(II) oxide dissolution in sulfuric acid

Simulation of the effect of hydroxyethylidenediphosphonic acid on the kinetics of copper(II)... The effect of hydroxyethylidenediphosphonic acid (HEDP) on the kinetics of copper(II) oxide dissolution in aqueous sulfuric acid was studied. The addition of HEDP in acidic media decreases the CuO dissolution rate. The simulation of these processes showed that the inhibiting effect is due to the decrease in the concentration of the intermediate compound (CuOH+), which restricts the dissolution of Cu2+ ions, due to adsorption of the HEDP ions (H4Y−) on the oxide surface. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Coordination Chemistry Springer Journals

Simulation of the effect of hydroxyethylidenediphosphonic acid on the kinetics of copper(II) oxide dissolution in sulfuric acid

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Chemistry; Inorganic Chemistry; Physical Chemistry
ISSN
1070-3284
eISSN
1608-3318
D.O.I.
10.1134/S1070328406090107
Publisher site
See Article on Publisher Site

Abstract

The effect of hydroxyethylidenediphosphonic acid (HEDP) on the kinetics of copper(II) oxide dissolution in aqueous sulfuric acid was studied. The addition of HEDP in acidic media decreases the CuO dissolution rate. The simulation of these processes showed that the inhibiting effect is due to the decrease in the concentration of the intermediate compound (CuOH+), which restricts the dissolution of Cu2+ ions, due to adsorption of the HEDP ions (H4Y−) on the oxide surface.

Journal

Russian Journal of Coordination ChemistrySpringer Journals

Published: Sep 6, 2006

References

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