Germanium Oxide: What Does It Do?
Germanium oxide, also known as white powder, is made up of hexagonal, tetragonal, and amorphous crystals. The hexagonal morphology has a relative densitivity of 4.228 and its melting point is (1115+–4)degC. Tetragonal crystal system of germanium oxide has an relative density (6.239) and it melts in hydrochloric acids. To make germanate, it can dissolve in alkaline solutions.
Germanium Oxide
Germanium oxide materials consist of two varieties: germanium monoxide (GEO) and germanium dioxide (GEO2). Germanium monooxide is a dark, needle-like crystal that sublimates at 710°C. One crystal form of germanium dioxide is a white, hexagonal, tetragonal crystal. It has a melting value of 1086°C with a density at 6.239g/cm3, but is not soluble in water. Germanium monoxide easily becomes germanium dioxide by heating in air. Disproportionation reactions can occur easily when the material is heated alone. Germanium monooxide dissolves easily in acids and strong alkali solutions. This product is known for its reducing capabilities. Germanium dioxide remains stable under heating and in the air. Although it is not easily dissolvable in acid, germanium dioxide can dissolve well in alkali to create germanate. Germanium dioxide may be produced by burning the metal germanium and germanium oxide in the air or by oxidizing it with concentrated citric acid, then drying and sintering. Germanium monooxide is made by heating germanium dioxide and hydrogen to make it.
Germanium Oxide
Preparation
Germanium tetrachloridehydrolysis: Mix 6.5 times of distilled water with germanium tetrachloride. Let it stand overnight to produce germanium dioxide precipitation. After the time has expired, wash the lotion in cold water. Germanium oxide products can be obtained by drying at 200°C. Here is how to make germanium dioxide products: GeCl4 +2H2O=GeO2
Germanium Oxide
Germanium dioxide substances are used for preparations of metal germanium, other germanium compounds and as catalysts to prepare polyethylene Terephthalate resins.
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