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You are here: Home » Thin film coating materials » Pure Metal & Alloy » Pure Metal » Germanium Metal » Germanium Metal (Ge)-Powder

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Germanium Metal (Ge)-Powder

  • 7440-56-4

  • Ge

  • 3200PD

  • 99.99 %-99.9993%

  • - 325 mesh.etc

  • 231-164-3

  • Class 4.1

  • UN3089

  • PG II

Availability:

Characteristic


Germanium is a chemical element with the symbol Ge and atomic number 32. It is a lustrous, hard-brittle, grayish-white metalloid in the carbon group, chemically similar to its group neighbours silicon and tin. Pure germanium is a semiconductor with an appearance similar to elemental silicon. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature.


Phase at STP:solid

Appearance:grayish-white

Melting point:1211.40 K (938.25 °C, 1720.85 °F)

Boiling point:3106 K (2833 °C, 5131 °F)

Density (near r.t.):5.323 g/cm3

when liquid (at m.p.):5.60 g/cm3

Heat of fusion:36.94 kJ/mol

Heat of vaporization:334 kJ/mol

Molar heat capacity:23.222 J/(mol·K)


Application


Germanium is an excellent semiconductor, which can be used for detecting high frequency current and rectifying alternating current.Germanium compounds can be used to make fluorescent plates and various kinds of glass with high refractive index.


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