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GERMANIUM, 32 Ge 72.61

CAS

7440-56-4

Melting Point °C

937.4

Boiling Point °C

2830

Density G/Cm3

5.32

Coef. of Exp. @ 20 °C

6.1 x 10-8

Elec Resistivity @ 27 °C Microhm-Cm

47 x 10-6

Crystal Structure

Diamond

*HAZARDOUS

 
REFERENCE
DATA
Grit Size Conversion from mesh size to microns, millimeters and inches
Element Properties with descriptions, history and uses of all elements
Contstants
Minerals by Hardness
Metal Content of Minerals
Distinct Color of Minerals
Conversion Factors containing more than 4000 of the most used scientific factors from ABAMPS to ZOLOTNIKS
MOHS Scale of Hardness
Temperature
Typical Chemistry
Materials by Density
The AEE Story
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Catalog
No

Product Description

Purity
%

Particle
Size

Cost Per Pound

1-2

3-10

11-25

26-100

GE-101*

germanium metal powder, electronic grade

99.999

-325 mesh

inquire

GE-102*

germanium metal powder, electronic grade

99.999

-100 mesh

inquire

GE-121*

germanium metal pieces

99.999

1/2"-1"

inquire
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BACKGROUND:
Germanium is a silver-white, lustrous, hard metalloid. Germanium is chemically similar to tin.

GERMANIUM POWDER APPLICATIONS:
Germanium is a brittle, semi-metallic element. It has a metallic luster and the same crystal structure as diamond. It is a semiconductor. Some of the major applications include:

Chromatography
A major use for germanium is for the replacement of silica in chromatography. It is compatible with the silica network present when in the silica stationary phase.

Infrared
Germanium has a small band gap, which lets it respond to infrared light. It is used in spectroscopes and other equipment that uses sensitive infrared detectors. It is especially useful in wide angle and microscope lenses. It can be cut and polished for many infrared uses.


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13 Foster Street, Bergenfield, NJ 07621
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