The solubility of the precursor ceric hydroxide in nitric acid, recycle of crystal mother liquor of ammonium ceric hydroxide, and recovery method for cerium in mother liquor have been investigated.

• 讨论了前驱体氢氧化铈的硝酸溶解性能、硝酸铈铵结晶母液的循环利用、结晶母液中铈的回收方法。