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Simultaneous determination of iodate and periodate by capillary zone electrophoresis: Application to carbohydrate analysis

Authors
Journal
Analytical Biochemistry
0003-2697
Publisher
Elsevier
Publication Date
Volume
177
Issue
1
Identifiers
DOI: 10.1016/0003-2697(89)90014-6

Abstract

Abstract Iodate and periodate were rapidly (in 11 min) separated from each other with high column efficiency by capillary zone electrophoresis, using a fused silica tube (50 μm i.d., 80 cm) and 100 m m acetate buffer, pH 4.5, as carrier. On-column uv detection at 222 nm allowed sensitive detection down to the picomole level, and measurement of relative peak area to that of pyromellitic acid (internal standard) enabled reproducible determination of these ions. This method was proved useful for periodate oxidation analysis of various carbohydrates.

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