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International Journal of Analytical Chemistry
Volume 2011, Article ID 729651, 8 pages
http://dx.doi.org/10.1155/2011/729651
Research Article

A New Spectrophotometric Method for Determination of Selenium in Cosmetic and Pharmaceutical Preparations after Preconcentration with Cloud Point Extraction

1Department of Analytical Chemistry, Faculty of Chemistry, Tabriz University, Tabriz 51664-14766, Iran
2Department of Chemistry, Faculty of Science, Islamic Azad University, Khorramabad Branch, Khorramabad, Iran
3Department of Analytical Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran

Received 18 May 2010; Revised 5 December 2010; Accepted 8 February 2011

Academic Editor: Richard G. Brereton

Copyright © 2011 Mohammad Hosein Soruraddin et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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