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Title

Development of ultrasound-assisted emulsification microextraction for the determination of trace zinc and copper by flame atomic absorption spectrometry

Year: 1398
COI: JR_ICC-7-4_010
Language: EnglishView: 230
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Authors

Shahryar Abbasi - Department of Chemistry, Faculty of Science, Ilam University, Ilam, Iran
Mahmoud Roushani - Department of Chemistry, Faculty of Science, Ilam University, Ilam, Iran
Hadi Noorizadeh - Department of Chemistry, Faculty of Science, Ilam University, Ilam, Iran

Abstract:

In this work, we developed a method based on ultrasound-assisted emulsification microextraction (USAEME) for the determination of zinc and copper by flame atomic absorption spectrometry (FAAS). The method is based on the use of the organic solvent carbon tetrachloride (CCl4) as an extraction solvent. In order to obtain a high enrichment factor, the effect of different parameters affecting the complex formation and extraction conditions (such as the type and volume of the extraction solvent, pH, the chelating agent amount, extraction time, extraction temperature and ionic strength) were tested. Under optimum conditions, the eight replicates mixture of the 100 ngmL-1 and 50 ngmL-1 for Zn(II) and Cu(II) ions, gave a mean absorbance of 0.055 and 0.061, with a relative standard deviation (RSD) of ±%3.2 and 2.9, respectively. The equations for the lines were A = 0.4921C + 0.0027 (R = 0.9998) and A = 1.0701C + 0.0032 (R = 0.9997), respectively. The limit of detection for Zn (II) and Cu(II) ions were 1.06 and 1.4 ngL−1, respectively. The calibration graph was linear in the range of 3.0–2000.0 ngmL−1 and 2.0-850.0 ngmL−1 for Zn and Cu respectively. In the proposed procedure, enhancement factors were 9.51 and 6.25 for Zn and Cu, respectively. This proposed method was successfully applied in the analysis of four real environmental water samples and good spiked recoveries over the range of 98.4–103.0% were obtained. This is a first research used USAEME for simultaneous determination Zn and Cu in water.

Keywords:

Preconcentration , ultrasound-assisted emulsification microextraction silver , water pollution , zinc , copper

Paper COI Code

This Paper COI Code is JR_ICC-7-4_010. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/896894/

How to Cite to This Paper:

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Abbasi, Shahryar and Roushani, Mahmoud and Noorizadeh, Hadi,1398,Development of ultrasound-assisted emulsification microextraction for the determination of trace zinc and copper by flame atomic absorption spectrometry,https://civilica.com/doc/896894

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