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  1. No Access

    Article

    Formation of Perovskite and Pyrochlore Phases during Mechanochemical Synthesis of Lead Ferroniobate

    We have studied the effect of mechanical activation in lead ferroniobate synthesis on the formation of perovskite and pyrochlore phases during both mechanochemical synthesis and subsequent firing. It has been ...

    A. A. Gusev, I. P. Raevski, V. P. Isupov in Inorganic Materials (2020)

  2. No Access

    Article

    Mild Mechanochemical Synthesis of Nanodispersed Composites Magnetite@M(II)-Fe Layered Double Hydroxides (M = Mg, Ni)

    The possibility of synthesis of nanodispersed composites Fe3O4@M(II)-Fe layered double hydroxides (M = Mg, Ni) is shown by mechanical processing a mixture of solid salts M(II) (M = Mg, Ni), Fe(II) and Fe(III) wit...

    V. R. Khussnutdinov, V. P. Isupov in Russian Journal of Applied Chemistry (2020)

  3. No Access

    Article

    Mechanochemical Synthesis of Lithium Pentaaluminate from Lithium Carbonate and Boehmite

    It has been shown that mechanical activation of a boehmite + lithium carbonate mixture with an Al : Li atomic ratio of 5 : 1 in an AGO-2 planetary activator at a centrifugal acceleration of 40g and milling times ...

    N. V. Eremina, V. P. Isupov in Inorganic Materials (2020)

  4. No Access

    Article

    Effect of Mechanical Activation on Reaction between Boehmite and Lithium Carbonate

    We have studied the effect of mechanical activation of a boehmite + lithium carbonate mixture in an AGO-2 planetary activator on phase transformations during heat treatment in air. The results demonstrate that...

    V. P. Isupov, I. A. Borodulina, K. B. Gerasimov, N. V. Bulina in Inorganic Materials (2020)

  5. No Access

    Article

    Synthesis of Fine-Particle α-LiAlO2 via Heat Treatment of a Mechanically Activated Mixture of Gibbsite and Lithium Carbonate

    We have found conditions for the synthesis of fine-particle phase-pure α-LiAlO2 via heat treatment of a mechanically activated mixture of gibbsite and lithium carbonate in air. The results demonstrate that, to sy...

    V. P. Isupov, I. A. Borodulina, R. N. Niyazova, N. V. Eremina in Inorganic Materials (2019)

  6. No Access

    Article

    Effect of the Reaction Medium on the Mechanochemical Synthesis of LiAlO2

    An unactivated mixture of aluminum hydroxide (gibbsite) and lithium carbonate and a mixture mechanically activated in an AGO-2 planetary mill were heat-treated in air and under vacuum (0.05 Pa) at temperatures...

    V. P. Isupov, N. V. Bulina, I. A. Borodulina in Inorganic Materials (2018)

  7. No Access

    Article

    Mechanically Stimulated Thermal Synthesis of Lithium Pentaaluminate from Lithium Carbonate and Aluminum Hydroxide

    It is shown that the phase composition of lithium aluminates formed when aluminum hydroxide in the form of gibbsite interacts with lithium carbonate in their mixture with Al: Li atomic ratio of 5: 1 depends on...

    V. P. Isupov, N. V. Eremina, I. A. Borodulina in Russian Journal of Applied Chemistry (2017)

  8. No Access

    Article

    Synthesis of arsenic sorbent by the reaction of magnesium hydroxide with aqueous iron(III) chloride solution

    The reaction of magnesium hydroxide with a concentrated aqueous solution of iron(III) chloride yields a mixture of magnesium–iron layered double hydroxide and iron oxide–hydroxide in the akaganeite form. The c...

    V. P. Isupov, A. I. Katunina, I. A. Borodulina… in Russian Journal of Applied Chemistry (2017)

  9. No Access

    Article

    Effect of water vapor pressure on the phase composition of lithium monoaluminates formed in the interaction of aluminum hydroxide and lithium carbonate

    It is shown that the partial water vapor pressure affects the phase composition of lithium monoaluminates formed when aluminum hydroxide (gibbsite) and lithium carbonate are heated in air, in the atmosphere of...

    V. P. Isupov, N. V. Bulina, I. A. Borodulina in Russian Journal of Applied Chemistry (2017)

  10. No Access

    Article

    Low-temperature stages in the mechanochemical synthesis of gamma-lithium monoaluminate

    Low-temperature (<500°C) stages in the synthesis of gamma-lithium monoaluminate through heat treatment of a mechanically activated mixture of aluminum hydroxide and lithium carbonate have been studied by therm...

    V. P. Isupov, K. B. Gerasimov, I. A. Borodulina, Ya. E. Trukhina in Inorganic Materials (2017)

  11. No Access

    Article

    Mechanochemical synthesis of fine-particle γ-LiAlO2

    Using thermogravimetry, in situ X-ray diffraction, room-temperature X-ray diffraction, specific surface area measurements, and particle size analysis, we have studied how preliminary mechanical activation of a...

    V. P. Isupov, Ya. E. Trukhina, N. V. Eremina, N. V. Bulina… in Inorganic Materials (2016)

  12. No Access

    Article

    Structural and particle size characteristics of lithium carbonate after mechanical activation and heat treatment

    This paper examines the structural and particle size characteristics of lithium carbonate after mechanical processing in an AGO-2 planetary activator, followed by heat treatment. Milling increases the specific...

    V. P. Isupov, N. V. Bulina, N. V. Eremina in Inorganic Materials (2015)

  13. No Access

    Article

    Effect of the nature of a textural promoter on the catalytic properties of a nickel-copper catalyst for hydrocarbon processing in the production of carbon nanofibers

    The results from research on develo** and optimizing a method for preparing a catalyst designed for hydrocarbon processing in order to produce carbon materials are presented. The chosen method of catalyst pr...

    I. A. Strel’tsov, O. B. Vinokurova, I. V. Tokareva, I. V. Mishakov… in Catalysis in Industry (2014)

  14. No Access

    Article

    Effect of violations of the structure and layer packing on the diffraction pattern of gibbsite and bayerite

    Using the simulation method for the diffraction patterns of one-dimensionally disordered materials, the effect of different violations in the layered structure of aluminum trihydroxides (gibbsite and bayerite)...

    K. I. Shefer, S. V. Cherepanova, S. V. Tsybulya… in Journal of Structural Chemistry (2013)

  15. No Access

    Article

    Effect of mechanical activation of Al(OH)3 on its reaction with Li2CO3

    The effect of preliminary mechanical activation of Al(OH)3 on its solid-state reaction with Li2CO3 at temperatures above 800°C has been studied by thermogravimetry, X-ray diffraction, in situ X-ray diffraction, e...

    V. P. Isupov, N. V. Eremina in Inorganic Materials (2012)

  16. No Access

    Article

    Mechanochemical synthesis of γ-LiAlO2 studied by 6Li and 27Al NMR and synchrotron X-Ray diffraction

    The structural transformations accompanying the mechanochemical synthesis of fine-particle γ-LiAlO2 have been studied by 6Li and 27Al NMR and in situ X-ray diffraction. Mechanical activation of a mixture of alumi...

    V. P. Isupov, O. A. Kharlamova, L. E. Chupakhina… in Inorganic Materials (2011)

  17. No Access

    Article

    Prospects for the use of lithium-bearing minerals

    The results of many-year studies on the development of processing technology for crude spodumene ore have been generalized, and as a final product a double hydroxide of aluminum and lithium has been obtained. ...

    N. P. Kotsupalo, V. P. Isupov… in Theoretical Foundations of Chemical Engine… (2009)

  18. No Access

    Article

    Synthesis and thermolysis of lithium aluminum double hydroxide containing [Fe(OH)Edta]2−

    The reaction of the chloride form of lithium aluminum layered double hydroxide (Li-Al LDH) with an aqueous solution of NaFeEdta · 2H2O (pH 3.7) was studied. Anion exchange of chloride ions for [FeEdta]− anions al...

    V. P. Isupov, L. E. Chupakhina, R. P. Mitrofanova… in Russian Journal of Inorganic Chemistry (2009)

  19. No Access

    Article

    Mechanochemical synthesis of a hydroxycarbonate form of layered magnesium aluminum hydroxides

    Mechanical activation of a mixture of magnesium hydroxide, aluminum hydroxide, and sodium bicarbonate in an AGO-2 planetary mill, followed by water washing leads to the formation of a layered magnesium aluminu...

    V. P. Khusnutdinov, V. P. Isupov in Inorganic Materials (2008)

  20. No Access

    Article

    Synthesis of highly dispersed ferromagnetic materials based on layered lithium aluminum hydroxides and nickel and cobalt particles

    The reaction between a concentrated aqueous lithium nitrate solution and a cobalt-containing composite prepared through the thermal decomposition of [LiAl2(OH)6]2[CoEDTA] · 4H2O in vacuum at temperatures from 400...

    V. P. Isupov, L. E. Chupakhina, R. P. Mitrofanova in Inorganic Materials (2008)

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