Jump to main content
Jump to site search

Issue 28, 2016
Previous Article Next Article

A simple and sensitive method for the determination of iodide and iodate in raw, ultraviolet- and ozone-treated aquacultural seawater samples using ion chromatography coupled to an ultraviolet detector

Author affiliations

Abstract

A new ion chromatographic method for the speciation of iodine in aquacultural seawater samples has been developed. This simple, isocratic, non-suppressed ion chromatographic method, which uses an electrolytically generated potassium hydroxide eluent with a high capacity anion exchange column (Dionex IonPac AS20, 250 × 4 mm ID, 7.5 μm), allows the direct injection of undiluted seawater samples, with detection based upon standard ultraviolet absorbance (226 nm). Using a sample injection volume of 125 μL, a method limit of detection for iodide of 9.45 nM in seawater was achieved, with an absolute detection limit of 0.15 ng. Speciation (iodide/iodate) was accomplished via off-line sample reduction using ascorbic acid (0.2 M) and HCl (6 M). The new method was applied to the study of iodine speciation in raw, ultraviolet- and ozone-treated aquacultural seawater samples.

Graphical abstract: A simple and sensitive method for the determination of iodide and iodate in raw, ultraviolet- and ozone-treated aquacultural seawater samples using ion chromatography coupled to an ultraviolet detector

Back to tab navigation

Article information


Submitted
13 May 2016
Accepted
23 Jun 2016
First published
27 Jun 2016

Anal. Methods, 2016,8, 5587-5595
Article type
Paper

A simple and sensitive method for the determination of iodide and iodate in raw, ultraviolet- and ozone-treated aquacultural seawater samples using ion chromatography coupled to an ultraviolet detector

E. S. Rodriguez, A. N. Setiawan, S. Pope, P. R. Haddad, P. N. Nesterenko and B. Paull, Anal. Methods, 2016, 8, 5587
DOI: 10.1039/C6AY01381C

Social activity

Search articles by author

Spotlight

Advertisements