... Selenium, Gallium, Germanium, Bismuth, Antimony,Cadmium,Zinc, purity grade is 99.999%,99.9999%,99.99999%; Refining process line ... is ten for single elements;1, Specification:Grade 99.999%. The content of Bismuth is above ... , Ni, Pb & Zn is bellow 1ppm;3. Grade 99.99999%. The content of Bismuth is above 99.9999 ... & Zn is bellow 0.1ppm;3, Physical Size:Lump, Ingot, Powder.4, Packing:It is packed with ...