由水热法合成了稀土苯甲酸盐配合物Ln(C6H5COO)3(Ln=La,Nd,Sm,Eu,Gd,Dy,Er).用元素分析、IR、X射线粉末衍射表征了该系列配合物.它们都为层状结构,属单斜晶系.用TG、DTA、IR、色谱-质谱联用仪研究了它们的热分解机制.在氮气氛下,热分解分两步进行: 先分解生成二碳酸一氧盐和有机化合物; 而后二碳酸一氧盐进一步分解生成稀土氧化物和二氧化碳.第一步中生成的有机化合物成分比较复杂,主要成分为二苯甲酮、9,10-蒽醌和1,3-二苯基异苯并呋喃等.
参考文献
| [1] | Taylor M D;Carter C P;Wynter C I .The infrared spectra and structure of the rare-earth benzoates[J].Journal of Radioanalytical and Nuclear Chemistry,1968,30:1503. |
| [2] | Brzyska W.;Kula A. .PREPARATION, PROPERTIES AND THERMAL DECOMPOSITION OF RARE EARTH ELEMENT COMPLEXES WITH 3,5-DIHYDROXYBENZOIC ACID[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,1996(0):29-39. |
| [3] | Zhang Keli;Yuan Jibing;Yuan Liangjie.Hydrothermal synthesis and thermal decomposition mechanism of alkaline earth benzoates[J].武汉大学学报(自然科学版),1999(01):56. |
| [4] | 张克立;陆剑华;袁继兵 等.苯甲酸锰的合成及热分解机理研究[J].武汉大学学报(自然科学版),1998,44(06):669. |
| [5] | 孙聚堂.碱式邻苯二甲酸氢镧的热分解机理[J].高等学校化学学报,1992(11):1345-1348. |
| [6] | Pavkovic S F .An IR study of benzoate complexs[J].Journal of Radioanalytical and Nuclear Chemistry,1971,33:1475. |
| [7] | Adams R;Wearn R B .Diene addition products to diaroylethylenes and their transformation products[J].Journal of the American Chemical Society,1940,62:1233. |
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%