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Sensitive analysis In(III) in various matrices by spectrophotometry after dispersive liquid-liquid microextraction based on solidification of floating organic drop

Sensitive analysis In(III) in various matrices by spectrophotometry after dispersive... A dispersive liquid-liquid microextraction based on solidification of floating organic drop (DLLME-SFOD) was developed for preconcentration and determination of indium in real samples. In this method, an appropriate mixture of acetone (as disperser solvent) and 1-undecanol (as extracting solvent) containing dithizone (as chelating agent) was rapidly injected into the aqueous samples of indium. In this step, the cloudy solution was formed and the complexes of In-dithizone was extracted into 1-undecanol. After the phase separation, the absorbance of the extracted indium was measured at 510 nm. Under the optimum condition, the calibration graph was linear in the range of 30–230 μg L−1 with detection limit of 9 μg L−1. The relative standard deviation (RSD, n = 6) was 1.04 %. The developed method was successfully applied to extract and determine indium in real samples. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Sensitive analysis In(III) in various matrices by spectrophotometry after dispersive liquid-liquid microextraction based on solidification of floating organic drop

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References (37)

Publisher
Springer Journals
Copyright
Copyright © 2014 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
DOI
10.1134/S1070427214060044
Publisher site
See Article on Publisher Site

Abstract

A dispersive liquid-liquid microextraction based on solidification of floating organic drop (DLLME-SFOD) was developed for preconcentration and determination of indium in real samples. In this method, an appropriate mixture of acetone (as disperser solvent) and 1-undecanol (as extracting solvent) containing dithizone (as chelating agent) was rapidly injected into the aqueous samples of indium. In this step, the cloudy solution was formed and the complexes of In-dithizone was extracted into 1-undecanol. After the phase separation, the absorbance of the extracted indium was measured at 510 nm. Under the optimum condition, the calibration graph was linear in the range of 30–230 μg L−1 with detection limit of 9 μg L−1. The relative standard deviation (RSD, n = 6) was 1.04 %. The developed method was successfully applied to extract and determine indium in real samples.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Sep 13, 2014

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