3N
1.TeO2≥99.9%
2.Impurity Max each Pb/Sb/Cu/Zn/Al/Bi0.003, Ag/Mg/Ni0.001, Ca0.005, Fe0.015, Cd/Si/Se0.002
3.Size -200, -325mesh
4N
1.TeO2≥99.99%
2.Impurity Max each Mg/Sb/Al/Bi/Si/Se/Ni5, Pb/Cd 8, Cu/Zn/Ca/Fe 10, Ag6
3.Size -200, -325mesh
5N
1.TeO2≥99.999%
2.Impurity Max each Mg/Al/Bi/Cu/Ni/Si/Se0.5, Pb/Sb/Ag/Ca/Fe1
3.Size -200, -325mesh
Packing 2kgs in polyethylene bottle with sealed plastic bag outside