Zobrazeno 1 - 10
of 26
pro vyhledávání: '"N. B. Ferapontov"'
Publikováno v:
Russian Journal of Coordination Chemistry. 48:641-646
Autor:
A. V. Ivanov, M. A. Smirnova, O. A. Tikhanova, M. G. Tokmachev, A. N. Gagarin, N. B. Ferapontov
Publikováno v:
Theoretical Foundations of Chemical Engineering. 55:1023-1028
Publikováno v:
Moscow University Chemistry Bulletin. 74:209-215
The influence of the concentration of an external solution, the nature of the polar groups, and the amount of cross-linking in the resins on the degree of swelling of the ionites synthesized based on the polystyrene cross-linked by divinylbenzene is
Publikováno v:
Journal of Analytical Chemistry. 74:834-838
A method is considered for determining concentrations of components in solutions of two electrolytes with one common ion. We used optical micrometry by measuring the degree of swelling of granules of crosslinked polyvinyl alcohol in a test solution.
Publikováno v:
Journal of Mathematical Chemistry. 57:1140-1153
Influence of the HCl and HNO3 solutions on the composition and swelling degree of the ion exchanger Dowex 1 × 8 was investigated. Volume of the granule was found out to be constant within a wide range of the concentrations of the external solution.
Autor:
A. V. Ivanov, N. B. Ferapontov, M. A. Smirnova, O. A. Tikhanova, Nikolai V. Alov, A. N. Gagarin
Publikováno v:
Chemical Engineering. 20:398-405
Publikováno v:
Colloid Journal. 80:91-95
The effects of the composition and concentration of an external solution on the swelling degree of polystyrene-based ion exchangers crosslinked with different amounts of divinylbenzene have been analyzed within the heterophase model of polymer gel st
Publikováno v:
Colloid Journal. 79:740-747
The swelling kinetics of polymer gels has been studied in water and aqueous solutions by optical micrometry. Cross-linked hydrophilic polymers based on polystyrene and poly(vinyl alcohol) have been used as gel-forming materials. The effects of the na
Publikováno v:
Journal of Mathematical Chemistry. 55:142-152
The developed kinetic physical and mathematical model of a crosslinked hydrophilic polymer swelling process in aqueous solutions of low molecular weight compounds is presented. The model was tested on 13 combinations of “polymer-solution”. The ex
Autor:
N. B. Ferapontov, Aleksandr V. Talyzin, Alexander N. Gagarin, Elizaveta A. Shilayeva, Anastasiya T. Rebrikova, Mikhail V. Korobov, Natalya V. Avramenko
Publikováno v:
Carbon. 102:297-303
Sorption of polar organic solvents CH3OH, C4H8O (THF), CH3CN, C3H7NO (DMF), C2H6OS (DMSO), C5H9NO (NMP) and water was quantitatively evaluated for Hummers (H-GO) and Brodie (B-GO) graphite oxides at T = 298K and at melting temperature (Tm) of the sol