Min. Order: | 1 Kilogram |
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Trade Term: | FOB |
Payment Terms: | Paypal, L/C, D/P, D/A, T/T, WU, Money Gram |
Supply Ability: | 500 Kilogram/Kilograms per Month |
Place of Origin: | Hubei |
Location: | Wuhan, Hubei, China (Mainland) |
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Business Type: | Manufacturer, Trading Company |
Means of Transport: | Ocean, Air, Land |
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Production Capacity: | 500 Kilogram/Kilograms per Month |
Packing: | Products could also be packed according to customer request. |
Delivery Date: | Shipped in 5 days after payment |
Our products
Product Name | Purity | Specification | CAS |
Germanium Powder (Ge) | 5N | 100 mesh | 7440-56-4 |
Germanium shot(Ge) | 5N-6N | 1-6mm | 7440-56-4 |
Germanium Ingot(Ge) | 5N-6N | 7440-56-4 | |
Germanium Oxide(GeO2) | 4N-5N | 100-200mesh | 1310-53-8 |
Organic Germanium (Ge-132) | 4N |
Characteristics: | Lustrous, hard, grayish-white solid metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Purified germanium is a 'p-type' semiconductor material. Conductivity depends largely on added impurities. Attacked by nitric acid and aqua regia, but stable in water, acids, and alkalies in absence of dissolved oxygen, low toxicity. |
Applications: | Isolated germanium is mainly used as a semiconductor material for transistors. The first generation of semiconductors were based solely on germanium. However, most of today's semiconductor production is based on silicon and germaniums use in electronics are in fibre-optic systems, infrared optics and in solar cell applications.. |
GENERAL PROPERTIES
Symbol: | Ge |
Cas: | 7440-56-4 |
Atomic Number: | 32 |
Atomic Weight: | 72.59 |
Density: | 5.323 gm/cc |
Melting Point: | 937.4 oC |
Boiling Point: | 2830 oC |
Thermal Conductivity: | 0.602 W/cm/K @ 302.93 K |
Electrical Resistivity: | microhm-cm @ 20 oC |
Electronegativity: | 1.8 Paulings |
Specific Heat: | 0.077 Cal/g/K @ 25 oC |
Heat of Vaporization: | 68 K-cal/gm atom at 2830 oC |
Ge% | 99.999min |
AI(ppm) | 0.1max |
Cu(ppm) | 0.2max |
Fe(ppm) | 0.1max |
Pb(ppm) | 0.1max |
Ni(ppm) | 0.2max |
Co(ppm) | 0.2max |
As(ppm) | 0.1max |
Total content of AI, Cu, Fe, Pb, Bi,Na, Si, S,Se, As, Mg (ppm) | 10max |