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Germanium

CAS number :

Molecular weight :

Molecular formula/chemical symbol :Ge

Description :
 

High purity germanium semiconductor material, and germanium single crystal doped with trace amounts of specific impurities can be used for making a variety of transistors, rectifiers, and other devices, as the the thermoelectric battery material used for making the solar cell, the photovoltaic cell,

The system for thermal resistance, thin film resistors, semiconductor thermometer, specifically through the the germanium infrared window, a prism or a lens.

USES :

Germanium compounds are used in manufacturing fluorescent plate, and a variety of high-refractive index glass

Report :

Main article: Isotopes of germanium

iso

NA

half-life

DM

DE (MeV)

DP

68Ge

syn

270.8 d

ε

-

68Ga

70Ge

21.23%

70Ge is stable with 38 neutrons

71Ge

syn

11.26 d

ε

-

71Ga

72Ge

27.66%

72Ge is stable with 40 neutrons

73Ge

7.73%

73Ge is stable with 41 neutrons

74Ge

35.94%

74Ge is stable with 42 neutrons

76Ge

7.44%

1.78×1021 y

β?β?

2.039

76Se


Product name

Germanium

CAS7440-56-4

Description

The silver-white shiny metal

TEST ITEMS

TEST RESULT(%)

Ge

5N

Fe

0.000016

Mn

0.00000054

Mg

0.0000072

Cu

0.00000056

Ca

0.00003