The introduction of cadmium ingot

cadmium ingot
Characters: cadmium ingot, silver ribbon blue light-emitting metal. With malleable and ductile, brittle burning 80 degrees. Soluble in dilute nitric acid, slowly soluble in hot hydrochloric acid, cold, almost no reaction. Be hot sulfuric acid into sulfate. 18 degrees when 100 grams of mercury dissolved 5.17 g of cadmium. Cadmium salt solution of hydrogen sulfide or sodium sulfide precipitation. Often made ​​of a rod, lump, powder.
Density: 8.60
Melting point: 321 ℃
Boiling point: 767 ℃
Storage: kept under seal.
Use: aluminum flux, fusible agent, plating, nickel-plated oxygen scavengers, cadmium vapor lamps, electrodes, photovoltaics, solar ultraviolet total optical technique.
Cadmium is a actinic aspect with the attribute Cd and diminutive amount 48. This soft, bluish-white metal is chemically agnate to the two added abiding metals in accumulation 12, zinc and mercury. Like zinc, it prefers blaze accompaniment +2 in a lot of of its compounds and like mercury it shows a low melting point compared to alteration metals. Cadmium and its congeners are not consistently advised alteration metals, in that they do not accept partly abounding d or f electron shells in the basal or accepted blaze states. The boilerplate absorption of cadmium in the Earth’s band is amid 0.1 and 0.5 locations per actor (ppm). It was apparent in 1817 accompanying by Stromeyer and Hermann, both in Germany, as an birthmark in zinc carbonate.
Cadmium occurs as a accessory basic in a lot of zinc ores and accordingly is a byproduct of zinc production. It was acclimated for a continued time as a colorant and for bane aggressive plating on animate while cadmium compounds were acclimated to balance plastic. With the barring of its use in nickel–cadmium batteries and cadmium telluride solar panels, the use of cadmium is about decreasing. These declines accept been due to aggressive technologies, cadmium’s toxicity in assertive forms and absorption and consistent regulations. Although cadmium has no accepted biological action in college organisms, a cadmium-dependent carbonic anhydrase has been begin in abyssal diatoms.
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