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SOLVENT EXTRACTION AND SPECTROPHOTOMETERIC DETERMINATION OF Fe(III) BY USING ACETOPHENONE 2’,4’-DIHYDROXY SEMICARBAZONE AS AN ANALYTICAL REAGENT
*Dr. D. K. Yadav, R. S. Lokhande, Shirish Pitale, S.P. Janwadkar, P.S. Navarkar and P.K. Rana
ABSTRACT Acetophenone 2’, 4’- dihydroxy semicarbazone [A24DHS], a new Analytical reagent is proposed as a sensitive spectrophotometric reagent for Fe(III). The reagent A24DHS is synthesized in the laboratory and characterized by NMR, IR and elemental analysis. A selective spectrophotometric method is presented for the trace determination of Fe(III) using A24DHS as spectrophotometric reagent (λmax = 350 nm) in acidic aqueous solution (pH = 3.4). The Beer’s law is obeyed in the concentration range from 1 to 5 ppm. The A24DHS forms a 1:2 violet coloured complex. The Sandell’s Sensitivity is 0.0288 μg cm-2 with molar absorptivity 3899.2 L mol-1 cm -1. The proposed method has been successfully applied to the determination of Iron in various real and synthetic samples. The precision and the accuracy obtained were satisfactory. Keywords: Iron, Spectrophotometric determination, n-Butanol, Acetophenone 2’, 4’-dihydroxy, semicarbazone derivative. [Download Article] [Download Certifiate] |