以碳酸氢铵为沉淀剂合成了水合碳酸钬与碳酸铒晶体.化学分析的结果表明,制备的碳酸钬与碳酸铒是水合正碳酸盐.运用X射线衍射、扫描电子显微镜、热重和红外吸收光谱研究了碳酸钬与碳酸铒的结构与性质.碳酸钬与碳酸铒是由许多微晶聚集而成的球状晶体;其晶体结构与文献中的水菱钇石型稀土碳酸盐结构相类似;红外吸收光谱数据显示其晶胞中存在着非等价的碳酸根离子,即双齿配位与单齿配位的碳酸根;其热分解过程中,没有稳定的中间产物.
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