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| ESPI Metals 1050 Benson Way Ashland, Oregon 97520 541.488.8311 telephone 800.638.2581 toll-free 541.488.8313 fax 800.488.0060 toll-free fax sales@espimetals.com |
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High Purity Cadmium |
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MATERIAL OVERVIEW Cadmium metal was discovered by German chemist Friedrich Stromeyer in 1817. While heating zinc carbonate Stromeyer noticed a discoloration that was not a reaction that he would have expected from the compound. Stromeyer suspected that some unknown impurity was causing the discoloration. After further experimental investigation he was able to isolate the impurity; realizing that he had discovered a new element he named it cadmium. In its pure form, cadmium is a silvery white, malleable metal with a bluish hue. In its' powdered form it is a grayish/white color. It is found naturally in the earth's crust and is a relatively rare metal, ranking 67th in abundance among the 90 naturally occurring elements on Earth. Cadmium occurs primarily in zinc, copper, and lead ores. The name cadmium originates from the Greek word kadmeia and from the Latin word cadmia. The metal has a very low melting temperature and tarnishes in moist air. The metal is ductile and very malleable. Cadmium is a high neutron absorber and as a result is used for neutron shielding in the nuclear industry. At ESPI Metals we produce cadmium in a variety of forms. For nuclear shielding applications we roll cadmium sheet to widths of 24” and lengths of 10 feet or more. Cadmium sheet thicknesses range from as thin as 0.001”/0.025mm to 1”/25.4mm plate. Depending on the size requirement we either draw or extrude cadmium wire and rod in diameters from 0.010”/0.25mm to 1”/25.4mm. We also have cadmium available in ingot, shot and pellets.
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GENERAL PROPERTIES
TYPICAL ANALYSES Impurities in ppm
CADMIUM WIRE
Wire diameters are available in increments of .001”. Wire is spooled to order and sold by the foot or meter.
CADMIUM ROD
Additional diameters can be drawn in 2-3 days. Rod is cut to order and sold by the inch or foot.
CADMIUM FOIL
Foil is cut to order and sold by the square inch or square foot.
CADMIUM SHEET
Sheet thicknesses are available in increments of .001”. Sheet is cut to order and sold by the square inch or square foot.
CADMIUM SPUTTERING TARGETS
Additional sizes and sputtering targets produced from compounds are available upon request.
CADMIUM POWDER, SHOT, PELLETS, & INGOT
Powder, shot, pellets, and ingots are packaged to order and sold by the gram or kilogram.
CADMIUM COMPOUNDS
Compounds are packaged to order and sold by the gram or kilogram.
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