Application of Micro-cloud point extraction for spectrophotometric determination of Malachite green, Crystal violet and Rhodamine B in aqueous samples

被引：83

作者：

Ghasemi, Elham ^{[1
]}

Kaykhaii, Massoud ^{[1
]}

机构：

[1] Univ Sistan & Baluchestan, Dept Chem, Fac Sci, Zahedan 98135674, Iran

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2016年 / 164卷

关键词：

Micro-cloud point extraction; Malachite green; Crystal violet; Rhodamine B; Water analysis; LIQUID-LIQUID MICROEXTRACTION; SOLID-PHASE EXTRACTION; WATER SAMPLES; IONIC-LIQUID; SUDAN DYES; ORANGE-G; SPECTROFLUOROMETRIC DETERMINATION; GENTIAN-VIOLET; PRECONCENTRATION; TOXICITY;

D O I：

10.1016/j.saa.2016.04.001

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

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.

引用

页码：93 / 97

页数：5

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