Scrap copper CHEMICAL COMPOSITION Element.....0.005(%) Copper......99.99%(min) Lead .......0.005%(Max) Bismuth.....0.03%(Max) Total impurities..0.03%(Max) Excluding Ag & Oxygen STANDARD CONFIRMING TOC11000(ETP) content 99.90 S- 0.001% max Sn- 0.010% max Pb- 0.008% max Fe- 0.010%max Bi- 0.001% max Sb- 0.010% max Ni- 0.020% max Zn- 0.010% max Cd- 20ppm max Cr- 0.020% max Hg- 10 ppm max