This standard BS 4493:1969 Specification for copper salts for electroplating is classified in these ICS categories:
25.220.40 Metallic coatings
This British Standard specifies requirements for copper sulphate, copper cyanide and copper pyrophosphate for electroplating.
Physical form and appearance, chemical composition, impurities and sampling for copper sulphate, copper cyanide and copper pyrophosphate. Methods of analysis in appendices.