Issue 4, 2013
From the journal:

Journal of Analytical Atomic Spectrometry

Preconcentration of lead from aqueous solution with activated carbon cloth prior to analysis by flame atomic absorption spectrometry: a multivariate study

Faheem Shah,*ab   Mustafa Soylak,a   Tasneem Gul Kazib  and  Hassan Imran Afridib  

* Corresponding authors

a Erciyes University, Fen Fakultesi, Department of Chemistry, 38039 Kayseri, Turkey
E-mail: shah_ceac@yahoo.com, soylak@erciyes.edu.tr
Tel: +90-352-4374933

b Center of Excellence in Analytical Chemistry, University of Sindh, 76080 Jamshoro, Pakistan
E-mail: tgkazi@yahoo.com, hassanimranafridi@yahoo.com
Fax: +92-221-771560
Tel: +92-222-771379

Abstract

In this work, the preconcentration of lead (Pb) was carried out by complexation with 2-(5-bromo-2-pyridilazo)-5-(diethylamino)phenol (5-Br-PADAP) and adsorption on an activated carbon cloth (ACC) prior to analysis by flame atomic absorption spectrometry (FAAS). The surface morphology of the ACC was studied by scanning electron microscopy and the adsorption capacity was determined by batch adsorption experiments. To evaluate the effects of several variables at once, the Plackett–Burman experimental design was used as a multivariate strategy. Important variables affecting the adsorption and preconcentration such as pH, ligand concentration, flow rate, eluent concentration and volume were investigated. No obvious negative effect of coexistent ions was observed. Validation was carried out by analyzing certified reference materials; sewage sludge (BCR 144R), human urine and whole blood. The proposed method was applied in the determination of Pb in tap water, urine and blood samples.

Graphical abstract: Preconcentration of lead from aqueous solution with activated carbon cloth prior to analysis by flame atomic absorption spectrometry: a multivariate study

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Article information

DOI
https://doi.org/10.1039/C3JA30387J
Article type
Technical Note
Submitted
19 Sep 2012
Accepted
24 Jan 2013
First published
31 Jan 2013

J. Anal. At. Spectrom., 2013,28, 601-605

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Preconcentration of lead from aqueous solution with activated carbon cloth prior to analysis by flame atomic absorption spectrometry: a multivariate study

F. Shah, M. Soylak, T. G. Kazi and H. I. Afridi, J. Anal. At. Spectrom., 2013, 28, 601 DOI: 10.1039/C3JA30387J

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