The effect of impurities on the anodic process in an industrial pyrophosphate copper bath

The galvanic pyrophosphate Cu bath is long-lasting, reliable, easy to run and produces a good quality deposit even in continuous operation. It is therefore widely used in industry both for the protection of ferrous materials and in the manufacture of brass-plated cords for radial tyres. However, thi...

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Bibliographic Details
Published in:Journal of applied electrochemistry 1986-05, Vol.16 (3), p.463-471
Main Authors: DE FILIPPO, D, ROSSI, A, SPEZZIGA, M. A
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Other techniques and industries
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Summary:The galvanic pyrophosphate Cu bath is long-lasting, reliable, easy to run and produces a good quality deposit even in continuous operation. It is therefore widely used in industry both for the protection of ferrous materials and in the manufacture of brass-plated cords for radial tyres. However, this type of bath is particularly sensitive to impurities. This paper presents the results of a voltammetric study on the effects of chloride, sulphate, nitrate and phosphate anions and ammonia on the anodic process in an industrial pyrophosphate copper bath. 18 ref.--AA
ISSN:0021-891X
1572-8838
DOI:10.1007/BF01008858