Anodizing of aluminium and its alloys. Check for continuity of thin anodic oxidation coatings. Copper sulfate test Ingestion-build-58863 gas and coke residue obtained

gas and coke residue obtained from brown coal and lignite by distillation to a final temperature of 520 °C

and magnesium alloys

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It provides general requirements for the design

Anodizing of aluminium and its alloys. Check for continuity of thin anodic oxidation coatings. Copper sulfate test Ingestion-build-58863 gas and coke residue obtained1 Scope This document specifies a method for checking the continuity of thin anodic oxidation coatings on aluminium and its alloys by a copper sulfate contact test. The use of this method is limited to anodic oxidation coatings of thickness less than 5 m or coatings that have been deformed, which includes those produced by coil anodizing techniques. NOTE The method described enables a rapid check to be made for the continuity of a thin coating of