Wuhan Xinrong New Materials Co., Ltd.  

Product Name: Germanium Monocrystalline Materials Pure metal 99.999% Zone-Refined Germanium Ingot Model NO.: 99.999% Secondary: Non-secondary Alloy: Non-alloy Purity: 99.999% Standard: ISO-9001 Shape: Lump Application: Electronics Trademark: Xinrong Transport Package: Carton Origin: China HS Code: 8112921090 Product Description Features:1. Lustrous, hard, grayish-white solid metalloid in the carbon group, chemically similar to its group neighbors tin and silicon.2. Purified germanium is a'p-type' semiconductor material.3. Conductivity depends largely on added impurities.4. Attacked by nitric acid and aqua regia, but stable in water, acids, and alkalies in absence of dissolved oxygen, low toxicity.Basic info:1. Item: Germanium Monocrystalline Materials Pure metal 99.999% Zone-refined Germanium Ingot2. CAS No.: 7440-56-43. Purity: 99.999% -99.9999%4. Testing Equipment: ICP or GDMS5. Appearance: Melt germanium ingots cross-section is shaped as atrapeziumSpecification:Product Name99.999% Zone-refined GermaniumAppearanceSliver WhitePhysical SizeIngotMolecular FormulaGeMolecular Weight72.6Melting Point937.4 °CBoiling Point2830 °CThermal Conductivity0.602 W/cm/K @302.93 KElectrical ResistivityMicrohm-cm @20 oCElectronegativity1.8 PaulingsSpecific Heat0.077 Cal/g/K @25 oCHeat of Vaporization68 K-cal/gm atom at 2830 oCImpurities in ppm:Product: Zone-refined GermaniumPurity: 99.999%ElementsConcentration(ppm wt)Ge%≥99.999minAI(ppm)≤0.1maxCu(ppm)≤0.2maxFe(ppm)≤0.1maxPb(ppm)≤0.1maxNi(ppm)≤0.2maxCo(ppm)≤0.2maxAs(ppm)≤0.1maxTotal content of AI, Cu, Fe, Pb, Bi,Na, Si, S,Se, As, Mg (ppm)10maxGissing JiangWuhan Xinrong New Materials Co.,LtdAdress: 309,B-Building,No.26th Shucheng Road,Hongshan District,Wuhan