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Adsorptive transfer chronopotentiometric stripping of sulphated polysaccharides

Strmečki, Slađana; Plavšić, Marta (2012) Adsorptive transfer chronopotentiometric stripping of sulphated polysaccharides. Electrochemistry Communications, 18 . pp. 100-103. ISSN 1388-2481

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Abstract

In this communication an ex situ analysis of sulphated polysaccharide (S-PS) chondroitin sulphate (CS) on mercury electrode is reported for the first time. The analysis was performed using adsorptive transfer chronopotentiometric stripping (AdT CPS). AdT CPS included three major steps: adsorption, transfer and stripping. S-PS served as “presodium” catalyst of hydrogen evolution revealing two catalytic peaks, H'PS and HPS. The adsorbed CS layer was very stable after the transfer. The reproducibility of the peak HPS was very high. Accumulation potentials more positive than − 0.6 V (vs. Ag/AgCl(3 M KCl)) were appropriate in analysis of a negatively charged twofold helix of CS in water solution.

Item Type: Article
Uncontrolled Keywords: adsorptive transfer stripping; catalytic hydrogen evolution; chondroitin sulphate; chronopotentiometry; peak H
Subjects: NATURAL SCIENCES > Interdisciplinary Natural Sciences
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Marine Science
Divisions: Division for Marine and Enviromental Research
Projects:
Project titleProject leaderProject codeProject type
Priroda organske tvari, interakcije s mikrokonstituentima i površinama u okolišu-Irena Ciglenečki-Jušić098-0982934-2717MZOS
Depositing User: Slađana Strmečki Kos
Date Deposited: 21 Dec 2016 15:05
Last Modified: 21 Dec 2016 15:05
URI: http://fulir.irb.hr/id/eprint/1956
DOI: 10.1016/j.elecom.2012.02.029

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