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