Precipitation of cobalt ferrites
作者： Hiroki Tamura , Egon Matijevic
DOI: 10.1016/0021-9797(82)90402-7
关键词: Oxidizing agent 、 Salt (chemistry) 、 Precipitation (chemistry) 、 Ferrous 、 Aqueous solution 、 Chemistry 、 Cobalt 、 Metal ions in aqueous solution 、 Inorganic chemistry 、 Hydroxide
摘要: Cobalt ferrites were prepared by aging at 90°C either (A) coprecipitated iron(II) and cobalt(II) hydroxides from aqueous solutions of Co(N03)2 FeSO4, or (B) ferrous hydroxide gels in contact with Co(II) salt solutions. In both cases KNO3 was added to act as a mild oxidizing agent. Magnetic particles formed when the equivalent concentration metal ions exceeded that ion. The chemical composition morphology varied concentrations reacting components original Under certain conditions spherical narrow size distributions obtained.
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