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Vol. 27 No. 8 (2015): Vol 27 Issue 8

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Spectrophotometric Determination of Copper(II) Using Ammonium Pyrollidine Dithiocarbamate in Anionic Aqueous Solution of Sodium Dodecyl Sulphate

https://doi.org/10.14233/ajchem.2015.18910
Gul Afshan Soomro
Department of Chemistry, Shah Abdul Latif University, Khairpur-66022, Sindh, Pakistan; Department of Crop Physiology, Sindh Agriculture University, Tandojam-70060, Pakistan
Ghulam Abbas Shar
Department of Chemistry, Shah Abdul Latif University, Khairpur-66022, Sindh, Pakistan; Department of Chemistry, Virginia Commonwealth University, Richmond, Virginia 23284-2006, USA

Corresponding Author(s) : Ghulam Abbas Shar

gabbas.shar@salu.edu.pk

Asian Journal of Chemistry, Vol. 27 No. 8 (2015): Vol 27 Issue 8

Abstract

A simple rapid new spectrophotometric method has been developed for the determination of copper using ammonium pyrollidine dithiocarbamate in presence of anionic aqueous micellar solution 1.0 % sodium dodecyl sulphate. Ammonium pyrollidine dithiocarbamate reacts with copper(II) to form bis(ammonium pyrollidine dithiocarbamato) copper complex. The importance of this method is the use of micellar system which replaces the previous solvent extraction steps. Micellar system enhancing the sensitivity, selectivity and the molar absorptivity which reduces the cost and toxicity. The average molar absorption coefficient and Sandell’s sensitivity was found to be 1.08 × 104 L mol-1 cm-1 and 5.83 ng cm-2 at lmax 447.8 nm respectively. Linear calibration graph was obtained over the concentration range 0.12-4.0 μg mL-1, the stoichiometric composition of the complex was 1:2 (Cu:[APDC]2. The developed method was successfully applied for the determination of copper from alloy and brass samples.

Keywords

Spectrophotometric Copper Ammonium pyrollidine dithiocarbamate Anionic micellar Sodium dodecyl sulphate
Afshan Soomro, G., & Abbas Shar, G. (2015). Spectrophotometric Determination of Copper(II) Using Ammonium Pyrollidine Dithiocarbamate in Anionic Aqueous Solution of Sodium Dodecyl Sulphate. Asian Journal of Chemistry, 27(8), 3086–3090. https://doi.org/10.14233/ajchem.2015.18910
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