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 - 4,     Year - 2011


ABSTRACT:
The reagent anthrone phenylhydrazone (APH) is used for the simultaneous determination of Co(II), Ni(II) and Fe(II) by fourth order derivative spectrophotometric method. The reagent APH gives light yellow colour with Co(II), Ni(II) and Fe(II) solution in basic medium. The maximum peaks were observed between 426.3 nm-625 nm for Co(II), Ni(II) and Fe(II) in basic buffer solution of pH 10. The molar absorptivity and Sandell`s sensitivity of Co(II), Ni(II) and Fe(II)-APH complexes are computed, the molar absorptivity are 1.5x104 L/mol/cm, 2.0x104 L/mol/cm and 1.3x104L/mol/cm respectively. The Sandell`s sensitivity are 0.0066 µg/cm2, 0.005µg/cm2 and 0.0076 µg/cm2 respectively. The stability constant of Co(II), Ni(II) and Fe(II)-APH complexes are 1.530x105, 2.486x104 and 1.049x104 respectively. The effect of various concentrations of Co(II), Ni(II) and Fe(II) ions on amplitude also studied. The samples of grape leaves, sesame, laver, mung bean and alloy samples were analyzed by the proposed method. The results of the food samples and alloy samples are good agreement with the results of APARI, AAS methods.


Cite this article:
V. Veeranna, V. Suryanarayana Rao. Simultaneous Fourth Order Derivative Spectrophotometric Determination of Cobalt, Nickel and Iron Using Anthrone Phenylhydrazone (APH). Asian J. Research Chem. 4(4): April, 2011; Page 579-584.


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