Compounds
Germanium Oxide
Germanium oxide has a diverse range of applications across various industries. It offers the unique properties of germanium and is often traded alongside germanium metal, as it can frequently be used in its oxide form without conversion back to the metal.
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- High Purity > 5N
- White Powder, Crystalline and Amorphous Forms
- CAS Number 1310-53-8
Product Overview
We offer standard and fine product varieties that differ via their particle size distribution. Metallic impurities are kept typically below 1 ppm for each metallic impurity element –see Product Data Sheet for details.
Optical Properties
Germanium oxide has a high refractive index: in the visible spectrum n~1.6. In fiber optics, germanium oxide is used as a dopant in the core of the fused silica, since germanium has very low absorption, and germanium oxide, like silica, forms a glass. In glass manufacturing, germanium oxide is used to form specialty glass for precision optical instruments.
Alloy Production
Germanium oxide is used in specialty alloys as a precursor or intermediate for germanium. The most notable germanium materials formed are germanium-silicon alloys for semiconductors with enhanced electrical conductivity and thermal stability, and germanium-aluminum alloys for aerospace and advanced engineering components that need high corrosion resistance and strength.
Catalysis
Germanium oxide acts as a catalyst in polymerization reactions (PET–polymers for plastic bottles and fibers), oxidation reactions (production of aldehydes, ketones, carboxylic acids, and oxidation of hydrocarbons in petrochemicals), and hydrogenation catalysis (where it improves the activity of primary catalysts like palladium or platinum).
Versatile Compound
Germanium oxide is used in various applications because of its unique optical, electronic, and chemical properties.
Features
Germanium oxide – also known as germania — is the main commercial source of germanium. It is used in glass, optical, and ceramic applications.
Melting Point
- 1,115°C
Solubility
- Insoluble in water but soluble in acids and alkalis
- Forms germanates in alkaline solutions
Optical Properties
- High refractive index (~1.6) in the visible spectrum
- Low optical dispersion, ideal for optical applications like optical fiber and lenses
Chemical Reactivity
- Reacts with bases to form germanates
Product Data Sheets
Related Applications
Germanium oxide is suitable for a variety of applications.
Catalysis
Indium and gallium compounds for catalysis, chemical synthesis, and
Chemical Synthesis
Indium and gallium compounds for chemical synthesis and materials
Related Markets
Indium Corporation’s germanium oxide is available for use in a wide-range of markets.
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