Equilibrium of α-tocopherol and β-sitosterol adsorption onto MCM-41 and organic-inorganic composites

  • Oksana O. Krizhanovskaya Student, department of Analytical Chemistry, Chemical Faculty, Voronezh State University, Voronezh, krizhanovskaya@chem.vsu.ru
  • Sergey I. Karpov the senior lecturer of department of Analytical Chemistry, Voronezh State University, Voronezh
  • Elena V. Borodina the Ph. D. student, department of Analytical Chemistry, Voronezh State University, Voronezh
  • Vladimir F. Selemenev the professor, head of the department of Analytical Chemistry, Voronezh State University
  • Roessner Frank Professor, Dr. Dr. h.c., Chemical Technology II, Institute of Pure and Applied Chemistry, Faculty of Mathematics and Natural Sciences, University of Oldenburg
  • Ekaterina O. Korabelnikova Student, department of Analytical Chemistry, Chemical Faculty, Voronezh State University, Voronezh
  • Natalia A. Belanova the senior engineer department of Analytical Chemistry, Voronezh State University
Keywords: α-tocopherol, β-sitosterol, MCM-41, composite, adsorption equilibrium.

Abstract

The equilibrium of α-tocopherol and β-sitosterol adsorption from hexane solution onto parent
MCM-41 and aminosilane (MN) and chlorotrimethylsilane (MC1) composites has been studied. It is shown
that grafting allows to save high ordered structure with high specific area, large pore volume and narrow pore
size distribution of MCM-41. The distribution coefficients of these biological active substances between
solution and the sorbent phase are calculated. A significant influence of the interactions sorbate-sorbate,
sorbate-sorbent, sorbate-solvent interactions is established.

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Published
2019-11-25
How to Cite
Krizhanovskaya, O. O., Karpov, S. I., Borodina, E. V., Selemenev, V. F., Frank, R., Korabelnikova, E. O., & Belanova, N. A. (2019). Equilibrium of α-tocopherol and β-sitosterol adsorption onto MCM-41 and organic-inorganic composites. Sorbtsionnye I Khromatograficheskie Protsessy, 12(4). Retrieved from https://journals.vsu.ru/sorpchrom/article/view/1841