Purity 99.999% & above grade metals 1.Offer over 9 kind prodcuts 2.Shot, ... 99999%; Refining process line is ten for single elements;1, Specification:Grade 99.999%. The content of Bismuth is above 99.999 ... Mg, Ni, Pb, Sn & Zn is bellow 10 ppm;2. Grade 99.9999%. The content of Bismuth is above 99.9999 ... Cu, Fe, Mg, Ni, Pb & Zn is bellow 1ppm;3. Grade 99.99999%. The content of Bismuth is above 99.9999 ...