ISSN

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


Author(s): V. Veeranna, V. Suryanarayana Rao

Email(s): veerachemistry@yahoo.com

DOI: Not Available

Address: V. Veeranna* and V. Suryanarayana Rao
Department of Chemistry, Sri Krishnadevaraya University, Anantapur -515003, AP.
*Corresponding Author

Published In:   Volume - 4,      Issue - 9,     Year - 2011


ABSTRACT:
A simple, selective and sensitive second order derivative spectrophotometric method is developed using FFTSC (furfuraldehyde thiosemicarbazone) for the simultaneous determination of Hg(II) and Co(II). The reagent FFTSC gives yellow colour with Hg(II) and Co(II) mixture solution in basic medium. The maximum peaks were observed in between 360nm - 420nm for both Hg(II) and Co(II) in basic buffer solution of pH 8.5. The molar absorptivity and sandell`s sensitivity of Hg(II) and Co(II)-FFTSC complexes are 2.2x104 L/mol/cm, 4.3x103 L/mol/cm and 0.000454µg/cm2, 0.00232 µg/cm2 respectively. The stability constant of Hg (II) and Co(II)-FFTSC complexes are 3.495x106 and 5.176x104 respectively. The effect of concentrations of Hg(II) and Co(II) ions on amplitude are also studied. The samples of tap water, distilled water, human tissues and blood samples were analyzed by the proposed method. The results of the samples are good agreement with the certified reference values APARI, CVAAT and AAS methods.


Cite this article:
V. Veeranna, V. Suryanarayana Rao. Simultaneous Second Order Derivative Spectrophotometric Determination of Mercury and Cobalt Using Furfuraldehyde Thiosemicarbazone (FFTSC). Asian J. Research Chem. 4(9): Sept, 2011; Page 1398-1403.


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