Journal of Separation Science, volume 32, issue 1, pages 64-73

Self-concentration effects in preparative SEC of mineral electrolytes using nanoporous neutral polymeric sorbents.

Publication typeJournal Article
Publication date2009-01-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.1
ISSN16159306, 16159314
Analytical Chemistry
Filtration and Separation
Abstract
Separation of mineral electrolytes according to size exclusion mechanism using neutral nanoporous polystyrene sorbents and carbonaceous materials has been examined in detail on hand of HCl and CaCl2 solutions, taken separately and in the mixture. Phase distribution coefficients of the above electrolytes have been measured under static conditions at different concentrations. The k-values and their dependence on the concentration were correlated with the elution curves of the components from a chromatographic column. Both the static and dynamic data suggest a strong dependence of the hydration number and effective size of ions on the concentration. Self-concentration of HCl in small pores and that of CaCl2 outside of small pores exhibits itself in both static and chromatographic experiments and results from the relocation of the components largely within the volume of the initial mixture. Additional apparent "retention" of HCl in the porous volume of the sorbent in concentrated electrolyte mixtures was shown to be caused by the competition between all ions of the system for hydration water. Increased separation selectivity and enhanced self-concentration effects for more concentrated mixtures point to preparative and industrial perspectives of size exclusion chromatography (SEC) of complex electrolyte mixtures on nanoporous neutral sorbents.

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Davankov V. et al. Self-concentration effects in preparative SEC of mineral electrolytes using nanoporous neutral polymeric sorbents. // Journal of Separation Science. 2009. Vol. 32. No. 1. pp. 64-73.
GOST all authors (up to 50) Copy
Davankov V., Tsyurupa M., Blinnikova Z., Pavlova L. Self-concentration effects in preparative SEC of mineral electrolytes using nanoporous neutral polymeric sorbents. // Journal of Separation Science. 2009. Vol. 32. No. 1. pp. 64-73.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/jssc.200800449
UR - https://doi.org/10.1002%2Fjssc.200800449
TI - Self-concentration effects in preparative SEC of mineral electrolytes using nanoporous neutral polymeric sorbents.
T2 - Journal of Separation Science
AU - Davankov, Vadim
AU - Tsyurupa, Maria
AU - Blinnikova, Zinaida
AU - Pavlova, Lyudmila
PY - 2009
DA - 2009/01/01 00:00:00
PB - Wiley
SP - 64-73
IS - 1
VL - 32
SN - 1615-9306
SN - 1615-9314
ER -
BibTex |
Cite this
BibTex Copy
@article{2009_Davankov,
author = {Vadim Davankov and Maria Tsyurupa and Zinaida Blinnikova and Lyudmila Pavlova},
title = {Self-concentration effects in preparative SEC of mineral electrolytes using nanoporous neutral polymeric sorbents.},
journal = {Journal of Separation Science},
year = {2009},
volume = {32},
publisher = {Wiley},
month = {jan},
url = {https://doi.org/10.1002%2Fjssc.200800449},
number = {1},
pages = {64--73},
doi = {10.1002/jssc.200800449}
}
MLA
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MLA Copy
Davankov, Vadim, et al. “Self-concentration effects in preparative SEC of mineral electrolytes using nanoporous neutral polymeric sorbents..” Journal of Separation Science, vol. 32, no. 1, Jan. 2009, pp. 64-73. https://doi.org/10.1002%2Fjssc.200800449.
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