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Ion-Exchange Properties of Silica Gel with Covalently Bonded Histidine

journal contribution
posted on 2023-05-16, 21:26 authored by Nesterenko, PN, Kebets, PA
The ion-exchange and acid-base properties of Silasorb 600 (10 μm) with immobilized histidine (His-SiO2) were investigated. The acid-base properties of the sorbent were estimated from the dependence sof the retention of organic acids and bases on the eluent pH. The effect of various organic modifiers (benzoic, citric, oxalic, and sulfuric acids) and the eluent pH on the retention of inorganic ions was studied. It was shown that His-SiO2 exhibits anion-exchange properties in acidic and weakly acidic media at pH < 5.7. Eight anions were separated under optimal conditions on a 150 × 4.6-mm column in 21 min using a 5 mM oxialic acid solution as an eluent. © Nauka/Interperiodica 2007.

History

Publication title

Journal of Analytical Chemistry

Volume

62

Pagination

2-7

ISSN

1061-9348

Department/School

School of Natural Sciences

Publisher

Springer

Place of publication

New York

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the chemical sciences

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