期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 165, 期 1-3, 页码 1200-1203出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2008.09.091
关键词
Mercury; Cloud point extraction; Spectrophotometric; Determination; Triton X-114
A cloud point extraction process using the nonionic surfactant Triton X-114 for extracting mercury from aqueous solutions was investigated. The method is based on the complexation reaction of Hg(II) with Thio-Michler's Ketone (TMK) and micelle-mediated extraction of the complex. The optimal extraction and reaction conditions (e.g., pH, reagent concentration, effect of time) were studied, and the analytical characteristics of the method (e.g., limit of detection, linear range) were obtained. Linearity was obeyed in the range of 5.0-80.0 ng mL(-1) of Hg(II) ion. The detection limit of the method was 0.83 ng mL(-1) of Hg(II) ion. The interference effect of some anions and cations was also tested. The method was applied to the determination of mercury in water samples. (c) 2008 Elsevier B.V. All rights reserved.
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