Author:
Lu Benjamin C.-Y.,Graydon W. F.
Abstract
The rate of dissolution of polycrystalline metallic copper in sulphuric acid solutions has been determined as a function of temperature, oxygen pressure, rotation speed, hydrogen ion concentration, sample area, and corroding solution volume. A typical set of conditions would involve a volume of 500 ml. of air-saturated sulphuric acid solution at room temperature and a cylindrical sample of copper of 11 sq. cm. area rotated at 1000 r.p.m. An empirical rate equation has been given which represents the data with an average deviation of ±5%. The rate equation is discussed in terms of a mechanism in which it is postulated that the rate controlling step in the dissolution of copper is the oxidation of cuprous ion at the solution–copper interface.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
24 articles.
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