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  1. No Access

    Article

    Study of the factors affecting the formation of copper–chromium/aluminum oxide compounds with a spinel structure

    The effect of the Cr3+/Al3+ ratio on the crystallization temperature of mixed oxide compounds with a spinel structure and their structural features and morphological characteristics have been studied using a comb...

    I. I. Simentsova, L. M. Plyasova, N. V. Shtertser… in Russian Journal of Inorganic Chemistry (2017)

  2. No Access

    Article

    Study of leaching of sodium aluminosilicate fiberglass materials

    The effects of temperature, time, and the composition of the solvent (water, HCl) on the processes of leaching of Na, Al, and Ca from sodium aluminosilicate fiberglass materials and also the physicochemical pr...

    L. G. Simonova, E. A. Paukshtis, L. S. Dovlitova… in Russian Journal of Inorganic Chemistry (2015)

  3. No Access

    Article

    Structure of Zirconia Nanoparticles used for Pillaring of Clay

    SAXS and EXAFS were applied to study genesis of polynuclear zirconium hydroxyspecies in pillaring solutions as dependent upon the zirconium concentration, addition of alkaline-earth chlorides and aging. After ...

    V. A. Sadykov, T. G. Kuznetsova, V. P. Doronin… in MRS Online Proceedings Library (2011)

  4. 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)

  5. No Access

    Article

    IR spectroscopic study of the basicity of aminated silica gels

    The aminated silica gels SiO2/SOCl2/NH3 (I), SiO2/SiCl4/NH3 (II), SiO2/BCl3/NH3 (III), and SiO2/γ-aminopropyltriethoxysilane (SiO2/APTES, IV) have been synthesized. According to DRIFT spectroscopy and chemical an...

    V. N. Panchenko, V. A. Pozimenko, E. A. Paukshtis… in Russian Journal of Inorganic Chemistry (2009)

  6. No Access

    Article

    Synthesis of mesoporous complex framework zirconium phosphates via organicinorganic nanocomposites: genesis of structure, adsorption and catalytic properties

    This work presents the first results of synthesis of framework binary phosphates of zirconium and transition metal cations (Co, Cu, Ce) via nanocomposites of starting inorganic salts with citric acid and studi...

    Yulia V. Frolova, Vladislav A. Sadykov, S. N. Pavlova… in MRS Online Proceedings Library (2004)

  7. No Access

    Article

    Sorption of carbon dioxide by the composite sorbent “potassium carbonate in porous matrix”

    Sorption of CO2 in the presence of water vapor by the K2CO3—γ-Al2O3 composite sorbent was studied by IR spectroscopy in situ, X-ray diffraction analysis, and the differentiating dissolution method and reasons for...

    A. G. Okunev, V. E. Sharonov, A. V. Gubar", I. G. Danilova… in Russian Chemical Bulletin (2003)

  8. No Access

    Article

    Adsorption of H3PW12O40 by porous carbon materials

    Adsorption of H3PW12O40 from water and organic oxygen-containing solvents (AcOH, Me2CO, MeOH) by carbon mesoporous materials, viz., Sibunit and catalytic filamentous carbons (CFC), was studied. The amount of irre...

    M. N. Timofeeva, M. M. Matrosova, T. V. Reshetenko… in Russian Chemical Bulletin (2002)

  9. No Access

    Article

    Acidity of heteropoly acids with various structures and compositions studied by IR spectroscopy of the pyridinium salts

    The acidity on the “proton affinity” scale was determined by IR spectroscopy of the pyridinium salts for nineteen heteropoly acids of nine structural types (including two with the previously unknown structure)...

    G. M. Maksimov, E. A. Paukshtis, A. A. Budneva… in Russian Chemical Bulletin (2001)

  10. No Access

    Article

    The Microstructure and Properties of Framework Zirconium Phosphates Based Nanocomposites-Catalysts of Alkane Isomerization

    The structure and surface properties of composites based upon high-surface-area framework zirconium phosphates with supported WO3, MoO3 and Pt nanoparticles were studied by using combination of structural and spe...

    Vladislav A. Sadykov, S. N. Pavlova, G. V. Zabolotnaya… in MRS Online Proceedings Library (1999)

  11. No Access

    Article

    Nanocomposites Based Upon Alumina and Zirconia Pillared Clays Loaded with Transition Metal Cations and Clusters of Precious Metals: Synthesis, Properties and Catalysis of NOx Selective Reduction by Hydrocarbons

    Thermally stable alumina and zirconia pillared clays loaded with copper and cobalt cations and silver nanoparticles were synthesized. The structural and surface features of these nanosystems were studied and c...

    Vladislav A. Sadykov, R. V. Bunina, G. M. Alikina… in MRS Online Proceedings Library (1999)

  12. No Access

    Article

    High-Surface - Area Framework Zirconium Phosphates as Catalysts of Hexane Isomerization and Dehydroaromatization: Synthesis and Properties

    Mechanochemical activation of solid inorganic precursors and sol-gel routes followed by hydrothermal treatment in the presence of surfactants were used to synthesize highly dispersed NZP-type complex zirconium...

    Vladislav A. Sadykov, S. N. Pavlova, G. V. Zabolotnaya… in MRS Online Proceedings Library (1998)

  13. No Access

    Article

    Dispersed Complex Phosphates as Tailored Acid Catalysts: Synthesis and Properties

    The relationship between the chemical composition, bulk real structure, surface properties and catalytic activity of dispersed complex framework zirconium phosphates with a NASICON-type structure is considered...

    Vladislav A. Sadykov, D. I. Kochubei, S. P. Degtyarev… in MRS Online Proceedings Library (1997)

  14. No Access

    Article

    Reaction of nitrogen oxides with salts of metal-substituted heteropolyanions

    We have used IR spectroscopy to study the reaction with NO and NO2 of solid tetramethylammonium and cesium salts of heteropolyanions (HPA) PW11M(L) 0.39 n− [M=...

    L. I. Kuznetsova, É. N. Yurchenko… in Bulletin of the Russian Academy of Science… (1992)

  15. No Access

    Article

    Nonempirical quantum chemical calculations of the vibrational spectra of surface methoxyl groups on aluminum and silicon oxides

    M. A. Ablaeva, G. M. Zhidomirov, E. B. Burgina… in Journal of Structural Chemistry (1992)

  16. 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)

  17. No Access

    Article

    Factors affecting the stability and selectivity of zeolites in the conversion of methanol to hydrocarbons. Communication 2. Effect of dealuminization

    1. Thermochemical treatment of Y and ZSM zeolites with silicon tetrachloride vapor leads to the loss, first, of ...

    V. G. Stepanov, G. V. Echevskii… in Bulletin of the Academy of Sciences of the… (1986)

  18. No Access

    Article

    Comparative investigation of the catalytic properties of crystalline aluminosilicates of various types. I. Investigation of the state of the oh groups and aluminum atoms in a zeolite skeleton

    1. Thermochemical treatment of type Y zeolites leads to a redistribution of the A1 atoms of the zeolite skeleton...

    K. G. Ione, E. A. Paukshtis, V. M. Mastikhin… in Bulletin of the Academy of Sciences of the… (1981)

  19. No Access

    Article

    A study of the reactions of isooctane on cracking catalysts by a gradient-free method

    1. A study of the IR absorption spectra for benzonitrile, pyridine, and CCl4 adsorbed on various amorphous and z...

    E. A. Paukshtis, É. N. Yurchenko… in Bulletin of the Academy of Sciences of the… (1979)