A rapid assessment method for determination of iodate in table salt samples

被引：0
|
作者：
Kulkarni P.S. [1 ]
Dhar S.D. [2 ]
Kulkarni S.D. [3 ]
机构：
[1] Department of Chemistry, Postgraduate and Research Centre, MES Abasaheb Garware College, Pune
[2] Modern College, Shivajinagar, Pune
[3] Department of Chemistry, Sir Parashurambhau, Pune
来源：
Journal of Analytical Science and Technology | / 4卷 / 1期
关键词：
Iodate; Iodometric reaction; Spectrophotometry; Table salt; Variamine blue dye;
D O I：
10.1186/2093-3371-4-21
中图分类号：
学科分类号：
摘要：
Background: In the present work, a simple and rapid method for determination of iodate is described. Methods: Iodometric reaction between iodate, excess iodide, and acid has been used, and the iodine liberated is allowed to react with variamine blue (VB) dye in the presence of sodium acetate to yield a violet-colored species. Results: A calibration curve was obtained in the concentration range of 2 to 30 μg of iodate in a final equilibration volume of 10 mL. The effect of different interfering anions on determination of iodate was also studied. Conclusions: The developed method was applied to iodate determination in various iodized salt samples obtained from local markets in and around Pune city, India. The amount of iodate in various table salt samples was in the range of 10 to 25 ppm. © 2013, Kulkarni et al.; licensee Springer.
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