Determination of Trace Amounts of Copper in Samples of Sarcheshmeh Copper Mine Using Dispersive Liquid-Liquid Microextraction Based on the Solidification of Floating Organic Droplets Prior to FAAS
Science Journal of Analytical Chemistry
Volume 5, Issue 6, November 2017, Pages: 104-106
Received: Nov. 1, 2017; Accepted: Nov. 20, 2017; Published: Dec. 18, 2017
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Authors
Farzaneh Arabpour, Sarcheshmeh Copper Mine, Kerman, Iran
Sayed Zia Mohammadi, Department of Chemistry, Payam Noor University, Tehran, Iran
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Abstract
In this article dispersive liquid–liquid microextraction [1, 2] based on the solidification of floating organic drop (DLLME-SFO) [3] was successfully used as a sample preparation method prior to flame atomic absorption determination of trace amount of copper in standard and wastewater samples [4]. Several factors that may be affected on the extraction process, such as extraction and disperser solvent, the volume of extraction and disperser solvent, effect of salt, pH of the aqueous solution and extraction, time and Ions effect were optimized [5]. Under the best experimental conditions, the calibration curve was linear in the range of 0.8 ng mL-1 - 0.5 μg mL-1 of copper and detection limit was 0.2 ng mL-1 in the original solution (3Sb/m). The relative standard deviation seven replicate determination of 0.1 μg mL-1 copper was ± 1.9%. The high efficiency of DLLME-SFO to carry out the determination of copper in complex matrices was demonstrated. Finally, the proposed method has been applied for determination of trace amount of copper in standard and wastewater samples of Sarcheshmeh Copper mine and other factory with satisfactory results.
Keywords
DLLME, Solidification, Wastewater
To cite this article
Farzaneh Arabpour, Sayed Zia Mohammadi, Determination of Trace Amounts of Copper in Samples of Sarcheshmeh Copper Mine Using Dispersive Liquid-Liquid Microextraction Based on the Solidification of Floating Organic Droplets Prior to FAAS, Science Journal of Analytical Chemistry. Vol. 5, No. 6, 2017, pp. 104-106. doi: 10.11648/j.sjac.20170506.15
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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