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.
参考文献
| [1] | Caro P E;Sawyer J O .[J].Spectrochimica Acta,1972,28A:1167. |
| [2] | Christensen A N;Hazell R G .[J].ACTA Chemica Scandinavica,1984,38A:157. |
| [3] | Charles R G .[J].Journal of Radioanalytical and Nuclear Chemistry,1965,27:1498. |
| [4] | Shinn D B;Eick H A .[J].Inorganic Chemistry,1967,7:1340. |
| [5] | Wakita H .[J].Bulletin of the Chemical Society of Japan,1978,51:2879. |
| [6] | Tareen J A K;Kutty T R N;Krishnamurty K V .[J].Journal of Crystal Growth,1980,4:761. |
| [7] | Sungur A;Kizilyalli M .[J].Journal of the Less-Common Metals,1983,93:419. |
| [8] | 丁家文,李永绣,黄婷,罗贤满,杨毅,何小彬.镧石型碳酸钕的形成及晶种对结晶的促进作用[J].无机化学学报,2005(08):1213-1217. |
| [9] | Liu S.;Ma RJ. .SYNTHESIS AND STRUCTURE OF HYDRATED EUROPIUM CARBONATE[J].Journal of Crystal Growth,1996(1):190-192. |
| [10] | Liu S;Ma R .[J].Indian Journal of Chemistry,1996,35A:992. |
| [11] | Liu S;Ma R .[J].ACTA Chemica Scandinavica,1997,51:893. |
| [12] | Liu S.;Ma RJ. .SYNTHESIS OF A CRYSTALLINE HYDRATED BASIC YTTERBIUM CARBONATE, YB2O3-CENTER-DOT-2.17CO(2)CENTER-DOT-6.17H(2)O[J].Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry,1997(8):1183-1190. |
| [13] | Liu S.;Jiang RY.;Luo FC.;Ma RJ. .Precipitation and characterization of cerous carbonate[J].Journal of Crystal Growth,1999(1/2):88-92. |
| [14] | Liu S.;Jiang RY.;Luo FC.;Ma RJ. .Synthesis and structure of hydrated neodymium carbonate[J].Journal of Crystal Growth,1999(3):454-457. |
| [15] | Liu S.;Jiang RY.;Luo FC.;Ma RJ. .Synthesis and structure of hydrated yttrium carbonate, Y-2(CO3)(3)center dot 2.79H(2)O[J].Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry,2000(2):271-279. |
| [16] | Herzberg G.Molecular Spectra and Molecular Structure,Ⅱ Infrared and Raman Spectra of Polyatomic Molecular[M].New York:D Van Nostrand Co.Inc,1945:179. |
| [17] | Fujita J;Martell A E;Nakomato K .[J].Journal of Chemical Physics,1962,36:339. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%