Author(s): V. Veeranna, V. Suryanarayana Rao, V. Venkata Laxmi, Varalakshmi T. R.

Email(s): veerachemistry@yahoo.com

DOI: Not Available

Address: V. Veeranna1*, V. Suryanarayana Rao1, V. Venkata Laxmi2 and Varalakshmi T. R.2
1Department of Chemistry, Sri Krishnadevaraya University, Anantapur -515003, AP.
2AMC Engineering College, Bangalore-560083, Karnataka.
*Corresponding Author

Published In:   Volume - 6,      Issue - 5,     Year - 2013


ABSTRACT:
The reagent furfuraldehyde thiosemicarbazone (FFTSC) is used to develop a simple, selective and sensitive second order derivative spectrophotometric method for the simultaneous determination of Cd(II) and Co(II). The reagent FFTSC gives yellow color with Cd(II) and Co(II) mixture solution in basic medium. The maximum peaks were observed between 360 nm – 425 nm for both Cd(II) and Co(II) in basic buffer solution of pH 9.0. The molar absorptivity and sandell`s sensitivity of Cd(II) and Co(II)-FFTSC complexes are 3.367x105 L/mol/cm, 3.886x105 L/mol/cm and 0.00297µg/cm2, 0.00257 µg/cm2 respectively. The stability constant of Cd (II) and Co(II)-FFTSC complexes are 3.238x105 and 1.256x105 respectively. The effect of concentrations of Cd(II) and Co(II) ions on amplitude are also studied. The samples of tea leaves, coffee beans, tobacco, rice, mussel and human air were analyzed by the proposed method. The results of the samples are good agreement with the certified reference values ICPAES, RPHPLC and AAS methods.


Cite this article:
V. Veeranna, V. Suryanarayana Rao, V. Venkata Laxmi, Varalakshmi T. R. Simultaneous Second Order Derivative Spectrophotometric Determination of Cadmium and Cobalt using Furfuraldehyde Thiosemicarbazone (FFTSC). Research J. Pharm. and Tech. 6(5): May 2013; Page 577-584.


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RNI: CHHENG00387/33/1/2008-TC                     
DOI: 10.5958/0974-360X 

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