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MZr2(AsO43(M=Na,K,Rb,Cs)的水热合成与结构表征

Hydrothermal Synthesis and Characterization of MZr2(AsO4),(M=Na, K, Rb, Cs)

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【作者】 王海增庞文琴

【Author】 WANG Hai-Zeng, PANG Wen-Qin (Deportment of Chemistry, Jilin University, Changclatn, 130023)

【机构】 吉林大学化学系吉林大学化学系 长春 130023长春 130023

【摘要】 用水热晶化法合成了MZr2(ASO43(M=Na,K,Rb,Cs)系列化合物。研究了反应物浓度、配比及不同砷源等水热晶化条件对产物物相的影响。用XRD、IR和Raman光谱对产物进行了表征。4种晶体的振动光谱由钠到铯呈现出规律性变化。

【Abstract】 MZr2(AsO4)3(M = Na, K, Rb, Cs) compounds were synthesized under hydrothermal conditions: As2O5/ZrO2 = 6. 4 , M+/As=0. 333 (molar ratio), pH≤,2. 0, 250℃, 5 days. The influence of the concentration and source of reactants on the product phases was investigated. The products were characterized by means of X-ray powder diffraction, Raman and IR spectroscopies. The effect of M+ on the vibrational spectrum of anionic skeleton was preliminarily analyzed.

【基金】 国家自然科学基金;国家教委博士点基金
  • 【文献出处】 高等学校化学学报 ,Chemical Research In Chinese Universities , 编辑部邮箱 ,1993年05期
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