ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): A. V. L. N. S. H. Hariharan, K. C. Purnima

Email(s): ahharan@gmail.com

DOI: 10.5958/0974-4150.2018.00035.4   

Address: A. V. L. N. S. H. Hariharan*, K. C. Purnima
Department of Chemistry, GIT, GITAM University, Visakhapatnam – 530 045India.
*Corresponding Author

Published In:   Volume - 11,      Issue - 1,     Year - 2018


ABSTRACT:
Trivalent chromium is found to be essential to human beings and animals. It plays vital role in insulin metabolism as the glucose tolerance factor (GTF). Cr (III) is less toxic than Cr (VI) Limited work has been reported on the liquid – liquid extraction of chromium (III) due to its relatively poor extractability and its inertness unlike other transition metals. Solvent extraction of chromium (III) from sulphuric, nitric and perchloric acid solutions with Tetrabutylammonium iodide (TBAI) in chloroform has been studied. The optimum conditions were evaluated by varying the experimental conditions such as pH, shaking period, concentration of metal ion, extractant Tetrabutylammonium iodide, anion, various diluents. And thermodynamic parameters on the extraction. The extractions from nitric and perchloric acid solutions are nearly quantitative and are partial from solutions. Thermodynamic parameters for controlling the nature of the extraction were also evaluated from the distribution ratio values obtained at different temperatures. These results are very much important in order to explain the extraction mechanism. The extracted species are identified as CrX3.3TBAI (org) , Where X = Cl- , HSO4- , NO3- and ClO4-.


Cite this article:
A. V. L. N. S. H. Hariharan, K. C. Purnima. Extraction of Chromium (III) using Tetrabutylammonium iodide (TBAI). Asian J. Research Chem. 2018; 11(1):171-175. doi: 10.5958/0974-4150.2018.00035.4


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DOI: 10.5958/0974-4150 

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