期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 164, 期 -, 页码 93-97出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2016.04.001
关键词
Micro-cloud point extraction; Malachite green; Crystal violet; Rhodamine B; Water analysis
类别
资金
- University of Sistan and Baluchestan
A novel, green, simple and fast method was developed for spectrophotometric determination of Malachite green, Crystal violet, and Rhodamine B in water samples based on Micro-cloud Point extraction (MCPE) at room temperature. This is the first report on the application of MCPE on dyes. In this method, to reach the cloud point at room temperature, the MCPE procedure was carried out in brine using Triton X-114 as a non-ionic surfactant. The factors influencing the extraction efficiency were investigated and optimized. Under the optimized condition, calibration curves were found to be linear in the concentration range of 0.06-0.60 mg/L, 0.10-0.80 mg/L, and 0.03-0.30 mg/L with the enrichment factors of 29.26, 85.47 and 2836, respectively for Malachite green, Crystal violet, and Rhodamine B. Limit of detections were between 22 and 5.1 mu g/L. (C) 2016 Elsevier B.V. All rights reserved.
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