Казанский (Приволжский) федеральный университет, КФУ
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STRUCTURAL AND TEXTURAL PROPERTIES OF PILLARED MONTMORILLONITE AT INTERCALATION OF LARGE AL- AND AL/CE-POLYHYDROXOCOMPLEXES
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2015
Языканглийский
  • Ходов Илья Анатольевич, автор
  • Библиографическое описание на языке оригинала Structural and textural properties of pillared montmorillonite at intercalation of large Al- and Al/Ce-polyhydroxocomplexes
    Аннотация The possibility of adjusting the separation of silicate layers in montmorillonite in a broad range of basal distances d001 (1.3–2.4 nm) at the intercalation of large (0.7–1.8 nm) polyhydroxocomplexes of aluminum ([Al13O4(OH)24(H2O)12]7+, [Al30O8(OH)56(H2O)24]18+) and aluminum/cerium synthesized through the combined hydrolysis of aluminum and cerium salts in a reactor under pressure is shown. The formation of polyhydroxocomplexes was controlled by the methods of 27Al NMR and photon correlation and fluorescent spectroscopy at different concentrations of Al3+ ions (2.5–5.1 M) in solution. Textural properties (specific surface area, total pore volume, and mesoporosity) and fractal dimensionality of the samples of intercalated montmorillonite obtained by annealing at 300?C have been determined using the method of low-temperature nitrogen adsorption–desorption. ? 2015, Pleiades Publishing, Ltd.
    Ключевые слова Clay minerals, Gas adsorption, Photon correlation spectroscopy, Silicates, Temperature.
    Название журнала Nanotechnologies in Russia
    URL http://www.scopus.com/inward/record.url?eid=2-s2.0-84945179870&partnerID=40&md5=733e0f2b859328ee9e69ecae09ca7956
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