Development of a green dispersive liquid-liquid microextraction method using a home-made tablet disperser for extraction and preconcentration of Co(II) and Ni(II) from high volume aqueous samples

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Sorouraddin Saeed Mohammad; ASADPOUR ZEYNALI KARIM; FATHOLLAHI ISA

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Journal: JOURNAL OF APPLIED CHEMISTRY Year:2019 | Volume:14 | Issue:50 Page(s): 141-155

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Title

Development of a green dispersive liquid-liquid microextraction method using a home-made tablet disperser for extraction and preconcentration of Co(II) and Ni(II) from high volume aqueous samples

Author(s)

Sorouraddin Saeed Mohammad | ASADPOUR ZEYNALI KARIM | FATHOLLAHI ISA | Issue Writer Certificate

Keywords

Tartaric acidQ1

Sodium bicarbonateQ1

Produced CO2 tabletQ1

Heavy metalsQ2

Disperser tabletQ1

Liquid-liquid microextractionQ1

Abstract

An analytical approach for the determination of trace amounts of Co(II) and Ni(II) has been proposed using a home-made tablet-based dispersive Liquid-liquid microextraction method performed in a narrow-bore tube followed by flame atomic absorption spectrometry. In this method, a mixture of Tartaric acid, Sodium bicarbonate, and NaCl are used to make the Disperser tablet. Then µ L-level of an extraction solvent is added on the tablet, and it is released into a narrow-bore tube containing sample solution and a complexing agent. An acid-base reaction between Tartaric acid and Sodium bicarbonate is immediately occurred, and the produced CO2 leads to dispersion of the extraction solvent as tiny droplets into the solution and subsequent extraction of the analytes. The proposed method made possible the determination of Co(II) and Ni(II) in the ranges of 0. 1-15. 0 and 0. 3-18. 0 µ g L-1, respectively. Repeatability of the proposed method, expressed as relative standard deviation, was obtained 3. 6% and 2. 8% (n=6, C=1 µ g L-1) for Co(II) and Ni(II), respectively. Relative recoveries (89-97%, obtained at two fortification levels) confirmed the usefulness of the method for analysis of the analytes in the environmental water samples. The method was shown to be fast, reliable, and environmentally friendly with low organic solvent consumption.

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APA: Copy

Sorouraddin, Saeed Mohammad, ASADPOUR ZEYNALI, KARIM, & FATHOLLAHI, ISA. (2019). Development of a green dispersive liquid-liquid microextraction method using a home-made tablet disperser for extraction and preconcentration of Co(II) and Ni(II) from high volume aqueous samples. JOURNAL OF APPLIED CHEMISTRY, 14(50 ), 141-155. SID. https://sid.ir/paper/400575/en

Vancouver: Copy

Sorouraddin Saeed Mohammad, ASADPOUR ZEYNALI KARIM, FATHOLLAHI ISA. Development of a green dispersive liquid-liquid microextraction method using a home-made tablet disperser for extraction and preconcentration of Co(II) and Ni(II) from high volume aqueous samples. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2019;14(50 ):141-155. Available from: https://sid.ir/paper/400575/en

IEEE: Copy

Saeed Mohammad Sorouraddin, KARIM ASADPOUR ZEYNALI, and ISA FATHOLLAHI, “Development of a green dispersive liquid-liquid microextraction method using a home-made tablet disperser for extraction and preconcentration of Co(II) and Ni(II) from high volume aqueous samples,” JOURNAL OF APPLIED CHEMISTRY, vol. 14, no. 50 , pp. 141–155, 2019, [Online]. Available: https://sid.ir/paper/400575/en

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