| Product specification the purity ≥99.999% (analyze 14 impurity elements) the loss by burning (820℃) ≤0.6% (biggest) granularity ≤50 micron the purity is 99.999% white powder uses in formulating takes the germanium spindle, the organic germanium, germanium sour raw materials and so on bismith crystal, catalyst, luminous powder and germanium glass |
