Simultaneous Determination of Trace Lead (II), Cadmium (II) and Cobalt (II) by Differential Pulse Anodic Stripping Voltammetry Using Polyacrylic acid/Glassy Carbon Electrode

Authors

  • Moses O. Oyagi Department of Chemistry, University of Nairobi
  • John O. Onyatta Department of Chemistry, University of Nairobi
  • Geoffrey N. Kamau Department of Chemistry, University of Nairobi
  • Peterson M. Guto Department of Chemistry, University of Nairobi, P.O Box 30197-00100, Nairobi, Kenya

Keywords:

Polyacrylic acid, Glassy carbon electrode, Lead, Cadmium, Cobalt and differential pulse anodic stripping voltammetry.

Abstract

Polyacrylic acid/Glassy carbon electrode (PAA/GCE) was employed for the determination of lead(II), cadmium(II) and cobalt(II). With differential pulse anodic stripping voltammetry, the following optimal conditions were determined: Deposition potential: -0.8V, Accumulation time: 300seconds, amplitude: 0.06V, pulse period: 0.02seconds, pulse width: 0.01seconds and sampling width: 0.0033seconds and pH 6.0. Under these optimal conditions, linear calibration curves were obtained in a range of 125

Author Biography

Peterson M. Guto, Department of Chemistry, University of Nairobi, P.O Box 30197-00100, Nairobi, Kenya

Senior Lecturer, Department of Chemistry, University of Nairobi

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Published

2015-07-18

How to Cite

Oyagi, M. O., Onyatta, J. O., Kamau, G. N., & Guto, P. M. (2015). Simultaneous Determination of Trace Lead (II), Cadmium (II) and Cobalt (II) by Differential Pulse Anodic Stripping Voltammetry Using Polyacrylic acid/Glassy Carbon Electrode. International Journal of Sciences: Basic and Applied Research (IJSBAR), 23(2), 324–334. Retrieved from https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4309

Issue

Vol. 23 No. 2 (2015)

Section

Articles

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