Tellurium Oxide 3N 4N 5N 99.9%, 99.99%, 99.999%
TeO2 5N 99.999%,Cu/Al/Pb/Fe/Ni/Si 0.5ppm max ea, Mg/Ca/Cd 1.0ppm max ea
TeO2 4N 99.99%, Cu/Fe/Al/As/Si/Mg 10ppm ea, Pb/Se 20ppm ea
TeO2 3N 99.9%, Fe 0.002%, Bi/Cu/Sb 0.0005% ea, Pb/As 0.01% each, Zn 0.0004%
TeO2 2N5 99.5%, Fe 0.005%, Bi/Cu/Zn 0.0010% ea, Pb 0.08%, Sb 0.01%, As 0.8%
Size -200mesh, -325mesh
Packed in polyethylene bottle with sealed plastic bag out side