Item Shijiazhuang Xinyuan Zinc Co., ltd Results Index Zinc oxide ZnO, % 99. 7% Pb PbO, ppm 0. 0015 % Copper CuO, % 0. 0001 Manganese Mn, % 0. 0001 Metal cadmium Cd, ppm 0. 00030 % Metallic Arsenic As, ppm 0. 0010% Hydrochloric acid insoluble% 0. 0035 Loss on ignition% 0. 05 Water-soluble matter% 0. 04 Fineness(45μmmess) % 0. 04 105-degree volatile matter% 0. 2