Wuhan Xinrong New Materials Co., Ltd.  

Product Name: 4n Te Powder, Tellurium Powder, Black Tellurium Powder, Tellurium Powder Factory Price, High Purity Tellurium Powder Model NO.: 99.99%, 99.999% Classification: Rare metal Trademark: Xinrong Transport Package: 1kg Per Vacuum Packed Specification: 100mesh, 200mesh, 325mexh Origin: China HS Code: 280450000 Product Description 4n te powder,tellurium powder,black tellurium powder,tellurium powder factory price,high purity tellurium powderTellurium and its seriesCASPuritySpecificationHigh Purity Tellurium (Te)13494-80-95N-7NIrregular lump 1-20mmTellurium Powder (Te)13494-80-94N-5N100-325 meshTellurium Shot (Te)13494-80-94N-6N0.5-5mmTellurium Dioxide (TeO2)7446-07-3;11099-09-54N-5NWhite powder 100-200meshTellurium tetraiodide (TeI4)7790-48-94NBronze grey rimeDistilled Tellurium13494-80-95NLumpCadmium Telluride (CdTe)1306-25-84NBlack powder mesh 100Characteristics:Silvery white, lustrous, solid metal. Soluble in sulfuric acid, nitric acid, potassium hydroxide and potassium cyanide solution. Insoluble in water. Imparts garlic-like odor to breath, can be depilatory. It is ap-type semiconductor and its conductivity is sensitive to light exposure.Hazards:(metal and compounds, as Te): Toxic by inhalation. Tolerance: 0.1 mg/m3 of air.Applications:Tellurium could be used in different fields, according to its purity. It could be used as infrared detector materials, solar cell material, cooling material and so on. Mainly applied for compound semi-conductor, solar energy cell, electrothermic transition element, cooling element,air-sensitive,thermosensitive,pressure-sensitive,photosensitive,piezo-electric crystal and nuclear radiation detect, infrared detector and basic material.Symbol:TeCAS: 13494-80-9Atomic Number:52Atomic Weight:127.60Density:6.24 gm/ccMelting Point:449.5 ºCBoiling Point:989.8 ºCThermal Conductivity:-Electrical Resistivity:4.36x10(5) microhm-cm @25 ºCElectronegativity:2.1 PaulingsSpecific Heat:0.0481 Cal/g/oK @25ºCHeat of Vaporization:11.9 K-Cal/gm atom at 989.8 ºCHeat of Fusion:3.23 Cal/gm moleTe %99.99 minAI(ppm)5maxCu(ppm)10maxFe(ppm)5maxPb(ppm)15maxBi(ppm)5maxNa(ppm)20maxSi(ppm)5maxS(ppm)10maxSe(ppm)15maxAs(ppm)5maxMg(ppm)5maxTotal content of AI, Cu, Fe, Pb, Bi,Na, Si, S,Se, As, Mg (ppm)100maxGissing JiangWuhan Xinrong New Materials Co.,Ltd