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About Germanium Powder 5N Ge Powder:
Germanium is a silver-gray crystal with a melting point of 937.4°C and a boiling point of 2830°C. The chemical formula is Ge, which can be used in the manufacture of semiconductor materials. Germanium is a chemical element, element symbol Ge, atomic number 32, atomic weight 72.64, in the fourth period of the chemical periodic table, the IVA group. Elemental Germanium is a kind of grey metal, shiny, qualitative hard, belong to the carbon group, chemical properties and kin tin similar to silicon, insoluble in water, hydrochloric acid, dilute caustic solution, soluble in aqua regia, concentrated nitric acid or sulfuric acid, with both sexes, therefore, soluble in molten alkali, alkaline peroxide, alkali metal nitrate or carbonate, relatively stable in the air.
Germanium is widely distributed in nature. Traces of Germanium are found in copper, iron and sulfide ores, as well as in rocks, soil and springs. Germanium is found in the earth’s crust at seven parts per million, less than common elements such as oxygen and silicon, of course, but more than arsenic, uranium, mercury, iodine, silver and gold. Germanium, however, is so dispersed that there is hardly any concentrated Germanium ore that it is known as a “dispersed metal”. Advanc3dmaterials is a trusted global Germanium Powder 5N Ge Powder supplier. Feel free to send an inquiry about the latest price of Germanium at any time.

Product Performance of Germanium Powder 5N Ge Powder CAS 7440-56-4 :

Germanium powder ( CAS 7440-56-4 ) is a silver-gray crystal with a melting point of 937.4°C and a boiling point of 2830°C. The chemical formula of germanium powder is Ge. Germanium powder is brittle crystalline germanium at room temperature; it has obvious non-metallic properties.


Technical Parameter of Germanium Powder 5N Ge Powder CAS 7440-56-4 :

Product NameMFPurityParticle SizeMolecular WeightDensityColor
Germanium PowderGe99.999%180 mesh72.615.35 g/cm3Gray

 

How is Germanium Powder 5N Ge Powder Produced? 
The extraction method of germanium is to first chlorinate the germanium enrichment with concentrated hydrochloric acid to produce germanium tetrachloride, and then remove the main impurity arsenic with hydrochloric acid solvent extraction method, and then purify it by two rectification of quartz tower, and then wash it with high purity hydrochloric acid to obtain high purity germanium tetrachloride, and germanium tetrachloride with high purity water to obtain high purity germanium dioxide. Some impurities will enter the hydrolysis mother liquor, so the hydrolysis process is also a purification process. After drying and calcining, pure germanium dioxide is reduced with hydrogen in the quartz tube of the reduction furnace at 650-680℃ to obtain metallic germanium. High purity germanium (impurities less than 1/1010) used in the semiconductor industry can be obtained by zonal smelting.
 
Applications of Germanium Powder 5N Ge Powder:
Germanium has many special properties, in semiconductor, aerospace measurement and control, nuclear physics detection, optical fiber communication, infrared optics, solar cells, chemical catalysts, biomedicine and other fields that have a wide range of important applications, is an important strategic resource. In the electronics industry, alloy pretreatment, in the optical industry, can also be used as a catalyst.
High purity germanium is a semiconductor material. It can be extracted from high purity germanium oxide by reduction and smelting. The single crystal of germanium mixed with a small number of specific impurities can be used to make various transistors, rectifiers and other devices. Compounds of germanium are used in the manufacture of fluorescent plates and various kinds of high refractive glass.
Germanium single crystal can be used as a transistor, is the first generation of transistor material. Germanium is used in radiation detectors and thermoelectric materials. High purity germanium single crystal has a high refraction coefficient, transparent to infrared light, not through visible light and ultraviolet light, can be used as a germanium window, prism or lens for infrared light penetration.
The annual demand of germanium in the field of infrared optics accounts for 20-30% of the consumption of germanium. The germanium infrared optical devices are mainly used as optical materials for lenses, prisms, windows, filters and so on in the infrared optical system.
Germanium used in solar cells accounts for 15% of total germanium consumption. The future demand growth of germanium series products in the solar cell field is mainly reflected in two aspects: the rapid development of the aerospace field and satellite market and the rapid growth of the ground photovoltaic industry.

Storage Condition of Germanium Powder 5N Ge Powder CAS 7440-56-4 :
The damp reunion will affect germanium powder dispersion performance and using effects, therefore, Ge powder should be sealed in vacuum packing and stored in a cool and dry room, the germanium powder can not be exposure to air. In addition, the product should be avoided under stress.

Packing & Shipping of Germanium Powder 5N Ge Powder CAS 7440-56-4 :
We have many different kinds of packing which depend on the germanium powder 5N Ge powder quantity.
Germanium powder 5N Ge powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Germanium powder 5N Ge powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.

Germanium Powder 5N Ge Powder CAS 7440-56-4插图



 

Germanium Powder Properties

Other NamesGermanium particles, Germanium microparticles,
Germanium micropowder, Germanium micro powder,
Germanium micron powder, Germanium submicron powder,
Germanium sub-micron powder
CAS No.7440-56-4
Compound FormulaGe
Molecular Weight72.61
AppearanceGray to Black Powder
Melting Point937.4
Boiling Point2830
Density5.323 g/cm3
Solubility in H2ON/A
Electrical Resistivitymicrohm-cm @ 0 °C
Poisson’s Ratio0.26
Tensile StrengthN/A
Thermal Conductivity0.602 W/cm/K @ 302.93 K
Thermal Expansion6.0 µm·m-1·K-1
Vickers HardnessN/A
Young’s Modulus103 Gpa
  
  

Germanium Powder Health & Safety Information

Signal WordDanger
Hazard StatementsN/A
Hazard CodesH228
Risk CodesN/A
Safety StatementsN/A
Transport InformationUN 3089 4.1 / PGII
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