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K_8[P_2W_(17)TiO_(62)]·12H_2O的合成及性质研究

SYNTHESIS AND PROPERTIES STUDY OF K_8[P_2W_(17)TiO_(62)]·12H_2O
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摘要 采用改进分步合成的方法,首次制备了2:18系列的钨钛磷三元混配杂多酸盐。用元素分析、^(31)P核磁共振谱、极谱、循环伏安、红外光谱、紫外光谱、x射线衍射、x光电子能谱、热重—差热分析对它进行了表征,确定杂多酸盐的组成为K_8[P_2W_(17)TiO_(62)]·12H_2O。杂多阴离子具有Dawson结构。对产物的光谱性质、氧化还原性质和热稳定性进行了探讨。 The work reported here was concerned the prepartion of salt of (2 : 18) heteropoly complex of tungstotitanophosphate with the method of improved sequence preparation . The structure of the complex was investigated by elemental analysis,31PNMR Spectra,polarography, Cyclic - voltam-metry, IR,UV,X-ray powder diffraction,X -photoelectron spectra and TG -DTA analysis. The results showed that this complex was K8(P2W17TiO62) 12H2O and the structure was consistent with the Dawson structure. The Properties such as spectra,redox and thermal stability were discussed.
出处 《湖北大学学报(自然科学版)》 CAS 1991年第4期308-314,共7页 Journal of Hubei University:Natural Science
关键词 钨钛磷酸盐 杂多酸盐 合成 催化剂 Tungstotitanophosphate,Heteropoly complex, Synthesis.
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