High Purity Cadmium

Description

High Purity Cadmium Cd 5N 6N 7N is a silver white and slightly bluish luster metal with atomic weight 112.41, melting point 320.9°C and density 8.65g/cm³, which is insoluble in water, strong alkali and easily soluble in ammonium nitrate solution, oxidizes slowly in the humid and slowly dissolved in hot hydrochloric acid and cold concentrated sulfuric acid. High purity cadmium can be obtained to more than 99.999%, 99.9999% and 99.99999% purity by multiple vacuum distillation and zone refining operation or by pulling crystal growth techniques. High Purity Cadmium 5N 6N 7N at Western Minmetals (SC) Corporation with purity of 99.999% 99.9999% and 99.99999% can be delivered in size of lump, chunk, bar and crystal packed in composite aluminum bag filled argon gas protection with carton box outside. Cadmium Sheet 99.99% 99.999% 4N 5N can be fabricated into different desired size and delivered in plywood case, or as customized specification to reach the perfect solution.

Applications

High Pure Cadmium is widely used in the manufacturing of II-VI compound semiconductor such as cadmium telluride (CdTe), cadmium zinc telluride (Cd_1-xZn_xTe,CZT), cadmium selenides (CdSe), and Cadmium sulfide (CdS）etc employed increasingly in a wide variety of advanced technology applications, and also used in electronic, photovoltaic solar cells, high purity alloys, LEDs, infrared modulators and control rod in the atomic reactor, optical devices and other lighting applications, as well as important source material for MBE growth of semiconductor crystals or vacuum deposition of thin films.

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Technical Specification

Cd

Atomic No.	48
Atomic Weight	112.41
Density	8.65g/cm³
Melting Point	320.9°C
Boiling Point	765°C
CAS No.	7440-43-9
H.S Code	8107.9000

Commodity	Standard Specification
Commodity	Purity		Impurity (ICP-MS or GDMS Test Report, PPM Max each)
High Purity Cadmium	5N	99.999%	Ag/Al/Ni/Cr/Bi/Sn/Ca 0.5, Cu 0.1, Pb/Zn 1.0	Total ≤10
	6N	99.9999%	Ag/Al/Ni/Cr/Bi/Sn/Fe 0.05, Zn/Pb 0.1, Sb 0.005	Total ≤1.0
	7N	99.99999%	Ag/Al/Ni/Cr/Bi/Sn/Pb/Zn 0.005, Fe 0.01, Cu 0.02	Total ≤0.1
Cadmium Sheet	4N	99.99%	Sb 0.0015, Cu 0.001, Pb 0.004, Zn/Fe/Ti/As/Sn 0.002	% Max each
Size	D(3-12)xL(22-25), D35xL<125, D49xL<65mm rod, or 150g/500g bar, 1-6mm shot, 4N Cd Sheet 260x220x2mm, 500x250x1mm
Packing	500g/1000g in composite aluminum bag with carton box outside, single piece Cd sheet is packed in plastic bag, 20kgs per carton box.

High Purity Cadmium 5N 6N 7N at Western Minmetals (SC) Corporation with purity of 99.999% 99.9999% and 99.99999% can be delivered in size of lump, chunk, bar and crystal packed in composite aluminum bag filled argon gas protection with carton box outside. Cadmium Sheet 99.99% 99.999% 4N 5N can be fabricated into different desired size and delivered in plywood case, or as customized specification to reach the perfect solution.

Cadmium Sheet 4N 5N is a soft and blue-white metallic element in different size with purity of 99.99%, 99.999% for increasing applications in metallurgical and electronic industry. Cadmium metal of 99.99% and 99.999% has excellent ductility property and can be processed by special rolling mill into sheet and plate 260x220x2mm, 500x250x1mm etc with extremely smooth surface. Cadmium Sheet 99.99% 99.999% 4N 5N is used in the preparation of neutron radiation shielding material in the nuclear industry. Cadmium sheet is packed in plastic bag of 10kg, 20kgs net each with carton box or plywood case outside at customer's option.