期刊
ELECTROANALYSIS
卷 22, 期 10, 页码 1090-1096出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200900533
关键词
Fe2+; Fe3+; Organic acids; Ascorbic acid; Voltammetry
资金
- Swedish Council for Environment, Agricultural Sciences and Spatial Planning (Formas) [222-2004-1889]
The objective was to investigate interactions between iron and food chelators in an aqueous environment. The net complexation were investigated by DPASV in a NaClO4 electrolyte using a platinum electrode. The experimental conditions were simulating the environment of the human duodenum. The results indicated a net coordination affinity between Fe2+ and the organic acids in the following order; ascorbic acid approximate to phytate > pyruvate > lactate > acetate. For Fe3+ net complexation, the stability was in the order of lactate > phytate > pyruvate > acetate > citrate. In conclusion, DPASV in conjunction with a platinum electrode is suitable for studies in aqueous systems where the net complexation of metal is important.
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