26/7.2018
Germanium wafers have semiconductor properties.It plays an important role in the development of solid physics and solid electronics.Ge melt density of 5.32 g/cm 3, germanium possibility as scare metal, germanium stable chemical properties, temperature not with air or water vapor, but during 600 ~ 700 ℃, germanium dioxide generated quickly.With hydrochloric acid, dilute sulfuric acid has no effect.When concentrated su
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