... 99.999%. The total content of Ag, Al, Bi, Cr, Ca, Cu, Fe, Mg, Ni, Pb, Sb, Sn & Zn is bellow 10 ... above 99.9999%. The total content of Ag, Al, Bi, Cu, Fe, Mg, Ni, Pb, Sb, Sn & Zn is bellow 1 ... is above 99.99999%. The total content of Ag, Al, Cu, Fe, Mg, Ni, Pb, Sb, Sn & Zn is bellow 0 ...