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Mechanochemical treatment (MChT) in various media (water, air, ethanol) of the V2O5/ammonium dimolybdate composition at the ratio V:Mo = 0.7:0.3 has been carried out. Physicochemical transformations in this system have been studied by means of X-ray powder diffraction (XRD) and thermal analysis as well as FTIR spectroscopy. Ammonium dimolybdate undergoes hydration with formation of 4-aqueous ammonium paramolybdate during the MChT in water. Changes of phase and chemical composition at activation are determined first of all by nature of medium in which milling was carried out. Maximal interaction of components occurs during modification of the studied system in water.

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of titanium dioxide and nickel carbonate at temperature 1623 K for 10 h. NiMoO 4 was synthesized by precipitation from an aqueous solution of nickel nitrate using ammonium paramolybdate as precipitation agent. The pH of reaction solution

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Journal of Thermal Analysis and Calorimetry
Authors: Imre Miklós Szilágyi, Eero Santala, Mikko Heikkilä, Marianna Kemell, Timur Nikitin, Leonid Khriachtchev, Markku Räsänen, Mikko Ritala, and Markku Leskelä

.06.033 . 61. Duplyakin , VK , Baklanova , ON , Chirkova , OA , Antonicheva , NV , Arbuzov , AB , Voitenko , NN , Drozdov , VA , Likholobov , VA . Interaction of nickel hydroxocarbonate, ammonium paramolybdate, and

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