期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 27, 期 -, 页码 149-152出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2014.12.028
关键词
Cadmium; Dithizone; Ionic liquid; Syringe microextraction; TX-100
资金
- TUBITAK
An in-syringe ionic liquid-based single step microextraction has been analytically presented. 1-butyl-3-methylimidazolium hexafluorophosphate as extractant and Triton X-100 as dispersing medium were used. Cd-Dithizone was extracted within a syringe. The effects of some variables such as [C(4)mim][PF6] volume, pH, TX-100 volume, dithizone concentration, incubation time, diluents nature and matrix effect were investigated. The limit of detection and preconcentration factor were found as 0.35 mu g L-1 and 50, respectively. The validity was checked by using certified reference materials. The relative standard deviation (RSD) was 4.2%. The method was satisfactorily applied to preconcentration of cadmium in natural water samples. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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