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Determination and Speciation of Aluminum in Environmental Samples by Cation Exchange High-Performance Liquid Chromatography with High Resolution ICP-MS Detection |
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| Authors: | Kin-Ichi Tsunoda Tomonari Umemura Kazumasa Ohshima Sho-Ichi Aizawa Etsuro Yoshimura Ken-Ichi Satake |
| Institution: | 1. Department of Chemistry, Gunma University, Kiryu, Gunma, 376-8515, Japan 2. Department of Applied Biological Chemistry, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan 3. National Institute for Environmental Studies, Tsukuba, Ibaraki, 305-0053, Japan |
| Abstract: | A cation-exchange high-performance liquid chromatography with high resolution inductively coupled plasma mass spectrometric detection (CE-HPLC/ICP-MS) was developed for the determination and the speciation of aluminum in environmental samples. Three types of aluminum species (AlLx <+2, AlLx 2+, Al3+) were separated from one another, and were determined with the present system. The comparison of the present system with an established CE-HPLC with fluorimetric detection using 5-sulfo-8-quinolinol (CE-HPLC/FL) was described. The present system showed better sensitivity for aluminum than CE-HPLC/FL. Moreover, the analytical results for soil extract and lake water samples obtained with both methods were in good agreement with each other. |
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