钨酸铁

钨酸铁是一种无机化合物，化学式为Fe₂(WO₄)₃。它可以催化甲醇的氧化反应，但反应速率低于钼酸铁的催化反应。^[1]

制备及性质

钨酸铁难以以氧化物为原料通过固相反应合成^[2]，它可由硝酸铁和钨酸钠在水溶液中反应，^[1]或硫酸亚铁铵、钨酸钠和过氧化氢在水溶液中反应制得。^[2]

它在750 °C分解为钨酸亚铁和三氧化钨。^[2]

它和碘化锂在干燥的乙腈中反应，可以得到Li₂Fe₂(WO₄)₃。^[3]

^ ^1.0 ^1.1 ^1.2 Harrison, W. T. A., Chowdhry, U., Machiels, C. J., Sleight, A. W., & Cheetham, A. K. (1985). Preparation of ferric tungstate and its catalytic behavior toward methanol. Journal of Solid State Chemistry, 60 (1), 101–106. doi:10.1016/0022-4596(85)90169-0.
^ ^2.0 ^2.1 ^2.2 Sriraman, A. K., & Tyagi, A. K. (2003). A new method of Fe₂(WO₄)₃ preparation and its thermal stability. Thermochimica Acta, 406(1-2), 29–33. doi:10.1016/s0040-6031(03)00201-6
^ Gözde Barim; Patrick Cottingham; Shiliang Zhou; Brent C. Melot; Richard L. Brutchey. Investigating the Mechanism of Reversible Lithium Insertion into Anti-NASICON Fe2(WO4)3. ACS Appl. Mater. Interfaces 2017, 9, 12, 10813–10819. doi:10.1021/acsami.6b16216.