以硝酸溶解废旧碱性锌锰电池所得的溶液为原料,用溶胶-凝胶法制备出了具有尖晶石结构的Mn-Zn铁氧体.借助于XRD、IR和SEM技术,对制备过程进行跟踪检测并对纳米晶铁氧体的晶体形貌进行表征.研究表明:制备Mn-Zn铁氧体的适宜条件为:金属离子和柠檬酸的比例为1:1(mol),pH=5.0,干凝胶煅烧时间为2h,煅烧温度为650℃;所得产物基本为球形,具有粒径小,分散均匀的特点.
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