BS 7164-28.2:1995

This standard BS 7164-28.2:1995 Chemical tests for raw and vulcanized rubber. Methods for determination of copper content is classified in these ICS categories:

• 83.060 Rubber

This International Standard specifies a photometric method for the determination of trace amounts of copper in raw rubber, latices and compounded rubber, both natural and synthetic.

This method may be applied to rubbers containing silica, provided that treatment with hydrofluoric acid is included in the procedure.

The method is sensitive down to 1 mg/kg copper.