Nickel(II) Tungstate
Nickel tungstate is an inorganic compound of nickel, tungsten and oxygen, with the chemical formula of NiWO4. Preparation Nickel tungstate can be prepared by the reaction of nickel(II) nitrate and sodium tungstate:A. Kuzmin, J. Purans, R. Kalendarev: Local structure and vibrational dynamics in NiWO4.' In: ''Ferroelectrics.'' 258, 2001, S. 21, . :Ni(NO3)2 + Na2WO4 → NiWO4 + 2 NaNO3 Nickel tungstate can also be prepared by the reaction of nickel(II) oxide and tungsten(VI) oxide. It can also be obtained by the reaction of ammonium metatungstate and nickel(II) nitrateJ.M. Quintana-Melgoza, J. Cruz-Reyes, M. Avalos-Borja: ''Synthesis and characterization of NiWO4 crystals.'' In: ''Materials Letters.'' 47, 2001, S. 314, . or from the reaction of sodium tungstate, nickel(II) chloride and sodium chloride.R. O. Keeling: ''The structure of NiWO4.'' In: ''Acta Crystallographica.'' 10, S. 209, . Nickel tungstate undergoes a phase transition at 700°C. Properties ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]