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| Mercury(I) bromide : ウィキペディア英語版 | Mercury(I) bromide
|Section2= |Section3= |Section7= |Section8= }} Mercury(I) bromide or mercurous bromide is the chemical compound composed of mercury and bromine with the formula Hg2Br2. It changes color from white to yellow when heated〔 and fluoresces a salmon color when exposed to ultraviolet light. It has applications in acousto-optical devices.〔 〕 A very rare mineral form is called kuzminite, Hg2(Br,Cl)2. ==Reactions== Mercury(I) bromide is prepared by the oxidation of elemental mercury with elemental bromine or by adding sodium bromide to a solution of mercury(I) nitrate.〔 It decomposes to mercury(II) bromide and elemental mercury.〔
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