International Organization for Standardization (ISO)
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ISO 1553:1976
Scope
The method is applicable to unalloyed coppers not containing elements providing insoluble residues in the electrolytic solution. Annex A gives test portions of test sample and of copper precipitate. Annex B describes a spectrophotometric method for the determination of residual copper in the electrolytic solution after deposition of copper on the cathode.
ISO 1553:1976 history
1976ISO 1553:1976 Unalloyed copper containing not less than 99,90 % of copper; Determination of copper content; Electrolytic method