Preparation Scheme and Application of Amorphous Solid Germanium Oxide

Germanium Oxide: What Does It Do?

Germanium oxide, also known as white powder, is made up of hexagonal, tetragonal, and amorphous crystals. It has a density of 4.228. Also, the melting point for this material is (1115+-4.degC). Tetragonal crystal system: Germanium oxide’s morphology is hexagonal. However, it is not soluble in water or hydrochloric acids. Germanium oxide can be dissolved in an alkaline solution to create germanate.

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 the white tetragonal crystal. It has a melting points of 1086°C at 6.239g/cm3 and is insoluble in liquids. The second crystal form of germanium dioxide is a hexagonal white crystal. 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, germanium sulfide or in the air or by oxidizing or dehydrating germanium with concentrated nitric. Germanium monooxide is made by heating germanium dioxide and hydrogen to make it.

Germanium Oxide


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 200oC. 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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