ISO 8053:1995

Rubber and latex — Determination of copper content — Photometric method

Cancels and replaces the first edition (1986). Specifies a photometric method for the determination of trace amounts of copper in raw rubber, latices and compounded rubber, both natural and synthetic. 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.