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  1. No Access

    Article

    Synthesis of Highly Dispersed 2D Aluminum Cobalt Oxyhydroxide Compounds Based on Microwave-Activation Products of Crystalline Gibbsite

    We have studied interaction between the microwave activation product of gibbsite and an aqueous cobalt nitrate solution at room temperature, atmospheric pressure, and pH 8.0 ± 0.3. The results demonstrate that...

    A. V. Zhuzhgov, O. P. Krivoruchko, T. V. Larina, A. V. Ishchenko… in Inorganic Materials (2019)

  2. No Access

    Article

    Sol–gel synthesis of 2D and 3D nanostructured YSZ:Yb3+ ceramics

    This paper presents results of a detailed study of fundamental aspects of the formation of 2D and 3D nanostructured YSZ:Yb3+ ceramics with a cubic structure through a key synthesis step in aqueous solutions of zi...

    O. P. Krivoruchko, T. V. Larina, A. V. Ishchenko, E. V. Pestryakov… in Inorganic Materials (2017)

  3. No Access

    Article

    Synthesis, electronic state, and particle size stabilization of nanoparticulate [Co(OH)2(H3O) δ + ]δ+

    We have synthesized nanoparticulate cobalt(II) hydroxide containing Co2+ in tetrahedral oxygen coordination (Co Td 2+ ), atypi...

    O. P. Krivoruchko, T. V. Larina, V. F. Anufrienko, I. Yu. Molina… in Inorganic Materials (2009)

  4. No Access

    Article

    Complete-profile analysis applied to nonstoichiometric spinels

    S. V. Tsybulya, L. P. Solov'eva, L. M. Plyasova… in Journal of Structural Chemistry (1991)

  5. No Access

    Article

    The unusual morphological structure of the aging products of coprecipitated Fe(III)-Al(III) hydroxides

    Aluminum-substituted hematite (α *-Fe2O3) with an unusual morphological structure is formed upon the aging of coprecipitated Fe(III)-Al(III) hydroxides with excess Fe(III). The crystals of this hematite are found...

    E. A. Taraban, V. I. Zaikovskii… in Bulletin of the Academy of Sciences of the… (1990)

  6. No Access

    Article

    Effect of production conditions on physicochemical properties of aluminum and magnesium hydroxides

    A study has been made of the effect of production conditions on chemical and phase composition, morphological structure, and surface area of aluminum and magnesium hydroxides synthesized in “equilibrium” and “...

    A. S. Ivanova, M. M. Pugach, É. M. Moroz… in Bulletin of the Academy of Sciences of the… (1989)

  7. No Access

    Article

    Investigation of the structural changes in bayerite during mechanochemical activation

    1. The mechanochemical activation of bayerite is accompanied by displacement of the hydroxyl units followed by s...

    S. M. Paramzin, L. M. Plyasova… in Bulletin of the Academy of Sciences of the… (1988)

  8. No Access

    Article

    Kinetics of kaolinite dehydration and its dependence on mechanochemical activation

    For the mechanochemical activation of two processes can be considered: the structural disordering of laminar crystals, and the formation of molecular dense aggregates from small particles. The activation energ...

    D. P. Klevtsov, V. A. Logvinenko, B. P. Zolotovskii… in Journal of thermal analysis (1988)

  9. No Access

    Article

    Reaction of anions of original salts with products of hydrolytic polymerization of Al(III) aquo ions

    1. During polymerization of aquo ions of Al(III), nitrate and chloride ions take part in the formation of sol pa...

    M. A. Fedotov, O. P. Krivoruchko… in Bulletin of the Academy of Sciences of the… (1977)

  10. No Access

    Article

    Variation of the composition of the polymerization products of Al(III) aquo ions with the initial solution concentration

    1. At the same ratio of the added base to the metal (ϰ = 1.9) the composition of the polynuclear complexes and t...

    M. A. Fedotov, O. P. Krivoruchko… in Bulletin of the Academy of Sciences of the… (1977)

  11. No Access

    Article

    Characteristics of hydrolytic polymerization of metal aquo-ions in mixed aqueous solutions of Fe(III)-Al(III) salts

    1. The process for the polymerization of metal aquo-ions in mixed aqueous solutions of Fe and Al salts can be su...

    M. A. Fedotov, O. P. Krivoruchko… in Bulletin of the Academy of Sciences of the… (1977)

  12. No Access

    Article

    Structure and properties of primary polymer particles of freshly precipitated Cr3+ hydrogels

    1. Freshly precipitated hydrogels of Cr3+ have a number of structural hydroxyl groups per single cation correspo...

    B. P. Zolotovskii, O. P. Krivoruchko… in Bulletin of the Academy of Sciences of the… (1977)

  13. No Access

    Article

    Some peculiarities of the mechanism of the hydrolytic polymerization of Fe3+ ions in aqueous solution

    1. Certain peculiarities of the mechanism of the polymerization of Fe3+ ions in aqueous solutions were investiga...

    M. E. Fedotov, O. P. Krivoruchko… in Bulletin of the Academy of Sciences of the… (1975)

  14. No Access

    Article

    Investigation of the properties of primary polymer particles of freshly precipitated Fe3+ hydrogels

    1. A new approach to the investigation of freshly precipitated Fe3+ hydrogels, based on the concepts of the poly...

    O. P. Krivoruchko, R. A. Buyanov… in Bulletin of the Academy of Sciences of the… (1974)

  15. No Access

    Article

    New variations of the chromatographic production of high-purity gases and vapors

    1. The production of especially pure substances using new variations of gas Chromatography-thermal displacement,...

    S. Z. Roginskii, O. V. Al'tshuler… in Bulletin of the Academy of Sciences of the… (1965)