摘要
首次合成了十种具有Keggin结构的硅钨钒四元稀土杂多配合物和七种具有Dawson结构的磷钼钒稀土杂多配合物;并利用TG、DTA、IR光谱和x射线粉末衍射等手段研究了两系列稀土杂多配合物的热稳定性;总结并解释了近年来文献报道的Keggin结构和Dawson结构的稀土杂多配合物的热稳定性的变化规律。
In this paper the synthesis of ten Si-W-V with Keggin structure and seven P-Mo-V with Dawson structure RE heteropoly acid complexes was reported for the first time. The thermal stability of these two series complexes was studied by TG, DTA, IR spectra and X-ray powder diffraction. The regularity of the thermal stability changings of the RE heteropoly acid complexes with the structure of Keggin and Dawson reported in the present literatures was discussed and concluded.
出处
《哈尔滨师范大学自然科学学报》
CAS
1992年第3期69-74,共6页
Natural Science Journal of Harbin Normal University
关键词
热稳定性
稀土族
杂多络合物
Keggin and Dawson structure
Thermal stability
RE heteropoly acid
