Browsing by Author "Kopachevska, Natalya"

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    Influence of mechanochemical and ultrasonic treatments on the structure and properties of ZnO-MoO3 (1:1) composition
    (Lviv Polytechnic Publishing House, 2016) Sachuk, Olena; Kopachevska, Natalya; Zazhigalov, Valery; Starchevskyy, Volodymyr; Institute for sorption and problems of endoecology of NAS of Ukraine; Lviv Polytechnic National University
    Oxide mixture ZnO-MoO3 (1:1) was modified by mechanochemical (during 2, 4 and 8 hours in air) and sonochemical (1 hr in water solution) treatments. The properties of obtained samples were studied by means of XRD, IR-spectroscopy, BET, DTA-TG, SEM methods. It was shown, that both kinds of treatments lead to the change of oxides crystalline structure, their surface morphology, porous structure and decrease particle size. The formation β-ZnMoO4 in the milling process and β-Мо8О23 at ultrasonic effect it was found.