High Purity Tellurium

Description

High Purity Tellurium Te 5N 6N 7N 7N5, is an odorless and silvery white lustrous crystalline solid material with atomic weight 27.60, density 6.24g/cm³ and melting point is 449.8°C, and is soluble in sulfuric acid, nitric acid, aqua regia, potassium hydroxide and potassium cyanide solution, but insoluble in water and neutral solvent. Tellurium has no reaction with water or non-oxidative acid but react violently with the halogens to produce the tellurium halides. Tellurium is a p-type semiconductor and its conductivity is sensitive to light exposure. High purity tellurium in various forms is prepared to 99.999%, 99.9999%, 99.99999% and 99.999995% grade by vacuum distillation and zone refining purification or crystal pulling growth method, which is primarily used in the manufacturing of II-VI compound semiconductor increasingly employed in a wide variety of electronic and optical devices like CdTe, Cd_1−xZn_xTe for nuclear radiation detection, photo refractivity, and IR and x-ray detectors, and become widely used for optical storage material, solar cells, thermoelectric conversion elements, refrigeration components, gas sensitivity, pressure-sensitive and light-sensitive, piezoelectric crystal, and other basic materials, as well as evaporation source for MBE growth.

Delivery

High Purity Tellurium 5N(99.999%), 6N(99.9999%), 7N(99.99999% and 7N5( 99.999995)% at Western Minmetals (SC) Corporation can be supplied in size of shot, lump, chunk, bar and crystal etc, which are packed in composite aluminum bag filled argon gas protection with carton box outside, or as customized specification to reach the perfect solution.

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Te

High Purity Tellurium 5N 6N 7N 7N5 (99.999%, 99.9999%, 99.99999% and 99.999995%) at Western Minmetals (SC) Corporation can be supplied in size of shot, lump, chunk, bar and crystal etc, as well as Tellurium powder, Tellurium granule and Tellurium shot 3N 4N 5N (99.9%, 99.99% and 99.999%) in size of -80, -120, -200, -325 and -700mesh powder, 1-6mm granule and shot. Tellurium products are packed in composite aluminum bag filled argon gas protection with carton box outside, or as customized specification to reach the perfect solution.

Commodity	Standard Specification
	Purity		Impurity (ICP-MS or GDMS Test Report, PPM Max each)
High Purity Tellurium	5N	99.999%	Al/Mg/Ni/Pb/Fe/Si 0.1, Ag/Cu/Cd 0.2, Se 1.0	Total ≤10
	6N	99.9999%	Al/Mg/Ni/Pb/Cd/Fe/Se 0.01, Ca 0.02, Zn 0.1, Ag/Cu 0.002	Total ≤1.0
	7N	99.99999%	Al/Mb/Ni/Pb/Se 0.005, Ag/Cu 0.001, Ca/Cd/Fe/Si 0.01, Ag/Cu 0.001	Total ≤0.1
	7N5	99.999995%	Crystal pulling growth for MBE application	Total ≤0.05
	Size		500g/1000g hemisphere chunk, ≤10mm or ≥10mm lump
	Packing		1kg in composite aluminum foil bag filled with argon gas, carton box outside.
Tellurium Powder Granule	3N	99.90%	Cu/Fe/S/Pb 50, Al/Si 30, Mg 20, Bi 15, As 10	Shot/Powder
	4N	99.99%	Mg/Si/Ca/As/Bi/Sb/S/Pb/Se 10, Al/Cu/Ni/ Fe/Ti 1	Shot/Powder
	5N	99.999%	Ag/Cu/Cd 0.2, Al/Mg/Ni/Pb/Fe/Sn 0.10, Se 1.0	Shot/Granule
	Size		Powder -80, -120, -200, -325, -700mesh, Shot/Granule 1.0-1.5, 2.0-6.0mm
	Packing		2.0-2.5kg in plastic bag/bottle, 20kgs carton box

Atomic No.	52
Atomic Weight	127.6
Density	6.24g/cm³
Melting Point	449.5°C
Boiling Point	989.8°C
CAS No.	13494-80-9
H.S Code	2804.5000

Tellurium Powder, Tellurium Granule and Tellurium Shot 3N 4N 5N, a silvery-white metallic luster solid material, in different grade and size are available with purity of 99.9%, 99.99% and 99.999% for increasing applications in metallurgical and electronic industry. Tellurium Powder, Tellurium Granule and Tellurium Shot are widely used for the production of tellurium compounds, catalyst, and in the electronics industry and metallurgical applications. Tellurium granule or tellurium shot is key material used for chemical elements analysis and as additive for metallurgical smelting.