【摘要】 本文以硫酸为支持电解质,在水-1,4-二氧六环混合溶剂中,用电化学方法研究了Keggin结构的H₃PMo₁₂O₄₀、M₃PMo₁₂O₄₀（M=NH₄,Na,K）、H₄PMo₁₁VO₄₀及M_?H_4-（?）PMo₁₁VO₄₀（M=Na,La,K,Eu;对于Na和La,n=1～4,对于K,n=4;对于Eu,n=2）的氧化还原特性。还分析了钼和钒的氧化还原顺序及其可逆性。更多还原

【Abstract】 The Oxidation-reduction behaviour of H3PMo12O40, M3PMo12O40 (M = NH4, Na, K), H4PMo11VO40 and M,H4-RPMo1jVO40(M = Na, La, K, Eu; n=1-4 for Na and La,n=4 for K, n= 2 for Eu) with a Keggin structure was studied by an electrochemical method in the mixed solvents of water-dioxane containing supporting electrolyte of 0. 5 mol/L H2SO4. The molybdenum in the acids and in their salts can gain or lose eight electrons, the vanadium in them can gain or lose one electron. The order and reversibility of oxidation- reduction for molybdenum and vanadium were also analyzed.更多还原