1.Specification:Item Standard
Purity Min *9.**9%
Ti Max 0.***5%
Ni Max 0.****1%
Bi Max 0.****1%
Zn Max 0.****5%
Ca Max 0.****1%
Cu Max 0.****1%
Pb Max 0.****5%
Fe Max 0.****1%
AG Max 0.****5%
Residue on gnition Max 0.**1%
2.Grade: Virgin Grade, Reproduced Grade
3.Usage:Widely used in the electric instrument, chemical industry,
metallurgy and mining exploit etc
