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Article

Mahmoud A. Zarraa

The rate of diffusion controlled dissolution of copper powder in acidified chromate solution under forced convection conditions was studied. Variables investigated were…

Abstract

The rate of diffusion controlled dissolution of copper powder in acidified chromate solution under forced convection conditions was studied. Variables investigated were, rotational speed, initial concentration and physical properties of the acidic solution. Increasing the initial concentration was found to decrease the volumetric mass transfer coefficient. Within the range w = 150–600 rev/min, the volumetric mass transfer coefficient was found to be directly related to the rotational speed according to the following k a w0.6 On the other hand, the volumetric mass transfer coefficient was found to be inversely proportional to the kinematic viscosity of the solution according to the following relation k a v0.7

Details

Anti-Corrosion Methods and Materials, vol. 38 no. 9
Type: Research Article
ISSN: 0003-5599

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