... % As 0.02%b.TeO2(99.999%)The total content of Al,Ca,Cu,Fe and Pb is below 10ppm.Cu 1ppm ... .5ppm, Ni 0.5ppm, Ca 1.0ppm,Fe 1.0ppm, Al 0.5ppm, Se 0.4ppm, Pb 0.5ppmPacking:The product ... polyethylene bottle.Application:It is primarily used in the manufacture of compound TeO2 single crystal,material for electronic elements and anticorrosive ...