Research Article
Direct, 2nd and 3rd Derivative Spectrophotometric Determination of Indium (III) Using 2-Hydroxy-1-Naphthaldehyde-P-Hydroxybenzoichydrazone in CTAB Micellar Medium
Author(s): Saleem Basha V* and Govinda Chowdary P
A new chromophore, 2-hydroxy-1-naphthaldehyde-p-hydroxybenzoichydrazone (HNAHBH) is used first time for the direct and derivative spectrophotometric investigations of indium (III). The metal ion reacts with the reagent in aqueous dimethyl formamide (DMF) in wide pH range forming greenish yellow coloured 1:2 (M: L) complex with λmax at 450 nm. The colour intensity further increases in the presence of cityl tri methyl ammonium bromide (CTAB) micellar medium at room temperature. Obeying of Beer’s law is taken place in the wide range 0.057-2.869 μg mL-1 of In (III). The molar absorptivity, Sandell’s sensitivity, detection limit, determination limit and relative standard deviation are calculated as 8.8 x 104 L mol-1cm-1, 0.0013 μg cm-2, 0.004 μg mL-1, 0.012 μg mL-1 and 1.66 % respect.. Read More»
DOI:
10.4172/0975-413X.14.12.29-35
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