Abstract
Herein, we present a comparative study for the analysis of amino acids on silica gel (SIG) and polyaniline (Pani) modified SIG as stationary phases using 1% ethanolic solution of boric acid as mobile phase. The separation studies revealed that in the case of modified SIG, improved separations of two component mixtures of amino acids were achieved. Some new combinations of binary separations were achieved on Pani modified SIG layer, which were not efficiently separated in the case of pure SIG. Thus, by the modification of SIG surface with Pani, sorbent with enhanced chromatographic performance can be achieved.
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