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cerium nitrate
Cerium nitrate refers to a family of nitrates of cerium in the three or four oxidation state. Often these compounds contain water, hydroxide, or hydronium ions in addition to cerium and nitrate. Double nitrates of cerium also exist.
==Cerium(III) nitrates==
*Anhydrous cerous nitrate, also called cerium(III) nitrate, is the anhydrous salt with the formula Ce(NO3)3.(CAS number 85874-44-8).
*Cerium nitrate hexahydrate, with the formula Ce(NO3)3.6H2O (CAS number 10294-41-4) is the most common nitrate of cerium(III). It is a component in a burn treatment cream that also includes silver sulphadiazine. Concentrations used are 0.5 M for the cerium nitrate. For very serious burns it reduces the death rate. At 150°C the hexahydrate loses water of crystallization to make a trihydrate, which itself decomposes above 200°C. Cerous nitrate hexahydrate has pinacoidal triclinic crystals.
*Hydronium cerium(III) nitrate hydrate, Ce(NO3)5(H3O)2.H2O〔〕 It is monoclinic with space group P2/c.〔 The diaquapentanitratocerate(III) anion (Ce(NO3)5(H2O)2)2− occurs in several salts. The salts have extreme non-linear optical properties.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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