Asian Journal of Research in Chemistry

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Determination of Chromium (VI) in Goa Beans and Soya Leaves Sample by New Extractive - Spectrophotometric Method with Isonitriso p-isopropyl Acetophenone Phenyl Hydrazone


Affiliations
1 Dept. of Chemistry, GITAM Institute of Technology, GITAM University, Visakhapatnam - 530 045, AP, India
     

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A sensitive and simple spectrophotometric method was developed for the determination of Chromium(VI) with Isonitriso p-isopropyl Acetophenone Phenyl Hydrazone. Chromium was complexed with Isonitriso p-isopropyl Acetophenone Phenyl Hydrazone and the reddish yellow colour complex was extracted into methyl isobutyl ketone. The absorbance of the complex was maximum at 443 nm. The molar absorptivity of the complex was 2.78 x 103lit.mol-1cm-1 and Sandell’s sensitivity was 2.67 x 10-2 μg/cm2. The system obeyed Beer’s law over the concentration range of 0.5 to 20 ppm. The composition of the complex (metal: ligand) was 1:6. This method was employed for the determination of chromium in Goa Beans and Soya Leaves Sample


Keywords

Extraction, Spectrophotometric, Chromium, Isonitriso p-isopropyl Acetophenone Phenyl Hydrazone.
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  • Determination of Chromium (VI) in Goa Beans and Soya Leaves Sample by New Extractive - Spectrophotometric Method with Isonitriso p-isopropyl Acetophenone Phenyl Hydrazone

Abstract Views: 228  |  PDF Views: 1

Authors

B. Sreenivasa Rao
Dept. of Chemistry, GITAM Institute of Technology, GITAM University, Visakhapatnam - 530 045, AP, India
Som Shankar Dubey
Dept. of Chemistry, GITAM Institute of Technology, GITAM University, Visakhapatnam - 530 045, AP, India
B. S. A. Andrews
Dept. of Chemistry, GITAM Institute of Technology, GITAM University, Visakhapatnam - 530 045, AP, India
A. V. D. Nagendrakumar
Dept. of Chemistry, GITAM Institute of Technology, GITAM University, Visakhapatnam - 530 045, AP, India

Abstract


A sensitive and simple spectrophotometric method was developed for the determination of Chromium(VI) with Isonitriso p-isopropyl Acetophenone Phenyl Hydrazone. Chromium was complexed with Isonitriso p-isopropyl Acetophenone Phenyl Hydrazone and the reddish yellow colour complex was extracted into methyl isobutyl ketone. The absorbance of the complex was maximum at 443 nm. The molar absorptivity of the complex was 2.78 x 103lit.mol-1cm-1 and Sandell’s sensitivity was 2.67 x 10-2 μg/cm2. The system obeyed Beer’s law over the concentration range of 0.5 to 20 ppm. The composition of the complex (metal: ligand) was 1:6. This method was employed for the determination of chromium in Goa Beans and Soya Leaves Sample


Keywords


Extraction, Spectrophotometric, Chromium, Isonitriso p-isopropyl Acetophenone Phenyl Hydrazone.