Determination of Iodide and Iodate by Ion Chromatography with Postcolumn Reaction and UV/Visible Detection
- 14 November 1998
- journal article
- research article
- Published by American Chemical Society (ACS) in Analytical Chemistry
- Vol. 71 (1) , 34-38
- https://doi.org/10.1021/ac980658j
Abstract
Iodide and iodate can be determined by two new methods using anion-exchange chromatography with postcolumn reaction and UV/visible detection. Iodide is determined as IBr2- at 249 nm. Iodate is determined as I3- at 288 nm. The analyses can be run completely automatically and do not require any sample pretreatment. The detection limits for iodide and iodate are 0.1 μg/L. The methods have been successfully applied to determine iodide and iodate in several mineral waters and in drinking water as well as for the determination of iodide in table salt.Keywords
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