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期刊论文
Preparation and conductivity of vanadotungstogermanic heteropoly acid
Solid State Ionics 136-137(2000)273-277，-0001，（）：
The vanadotungstogermanic heteropoly acid H3 GeW11 VO40 22H2O has been prepared for the first time by the stepwise acidification and the stepwise addition of solutions of the component elements. The suitable condition for the synthesis reaction is given. The product was characterized by means of ICP, potentiometric titration, IR, UV, V NMR, X-ray powder 23 diffraction and thermal analysis. The result of AC impedance measurement shows that its proton conductivity is 2.43×10-3 S cm-1 at 18℃.
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