Antimony
Details
Antimony is a shiny silver-white hard and brittle metal, there are flaky crystal structure. In humid air gradually lose their luster, intense heat is burning white antimony oxides. Soluble in aqua regia, dissolved in concentrated sulfuric acid. The relative density of 6.68. Melting point of 630 ¡æ. Boiling point 1635 ¡æ (1440 ¡æ). For decades, China has become the world's largest producer of antimony and its compounds, most of which they are produced in Hunan Lengshuijiang tin mines. Antimony biggest use is the production of lead and tin alloys, as well as lead-antimony alloy plate used in lead-acid batteries.Antimony alloy with lead and tin made available to enhance the welding materials, bullets and bearing performance. Antimony compounds are widespread use of chlorine and bromine-containing flame retardant additives important. Antimony in emerging microelectronic technology also has its widespread use.
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