Simultaneous Spectrophotometric Determination of Copper and Lead in Natural water samples and industrial effluents in Micellar Media by the H-Point Standard Addition Method (HPSAM)
Journal Title: International Journal of Research in Chemistry and Environment (IJRCE) - Year 2012, Vol 2, Issue 4
Abstract
H-point standard addition method (HPSAM) was developed for simultaneous determination of copper (II) and lead (II) ions in micellar media. The Alizarin red S (ARS) is used as chromogenic reagent for complexes formation of copper (II) and lead (II) ions. The measurements were carried out using Tween-80 as a micellizing agent, in buffered solution at pH 5.5 .The linearity obtained in the range of 0.317-7.62 µg/ml of copper and 0.345 -6.14 µg/ml of lead respectively. The results of applying H-point standard addition method show that Cu (II) and Pb(II) ions can be determined simultaneously with concentration ratio of 11:1 and 1: 20 of copper to lead. The proposed procedures have been applied successfully for the simultaneous determination of copper and lead in synthetic binary mixtures, some natural water samples and industrial effluents.
Authors and Affiliations
Rohilla Rajni, Gupta Usha
Keywords
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