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E. N. Shapovalova, I. A. Ananieva, Y. A. Elfimova, L. A. Grineva, A. G. Majouga, O. A. Shpigun
HPLC separation of nitrogen-containing compounds on silica
gel modified with gold nanoparticles stabilized by chitosan
Abstract
The possibilities of using silica
gel modified with gold nanoparticles stabilized by chitosan in normal-phase
HPLC for the separation of aniline and pyridine derivatives, and triazole
fungicides by eluting with the mixtures of hexane with isopropanol, isobutanol
or chloroform are evaluated. The influence of the nature and content of polar
additive on the effectiveness of the column and separation selectivity is
studied. The possibility of separation of mixtures containing penkonazol,
propikonazol, dinikonazol and difenokonazol as well as aminopyridines is shown.
Copyright (C) Chemistry Dept., Moscow State University, 2002
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