African Journal of
Pure and Applied Chemistry

  • Abbreviation: Afr. J. Pure Appl. Chem.
  • Language: English
  • ISSN: 1996-0840
  • DOI: 10.5897/AJPAC
  • Start Year: 2007
  • Published Articles: 357

Full Length Research Paper

Assessment of dissolved manganese (II) pollution in river water by differential pulse cathodic stripping voltammetry: A case study of River Boubo, Côte d'Ivoire

Coulibaly Mariame1, 2*, Yao N’Guessan Alfred2, Bamba Drissa3, Ghanjaoui Mohammed El Amine1, Yousry M. Issa4 and El Rhazi Mamia1
Email: [email protected]

  •  Accepted: 21 August 2013
  •  Published: 30 September 2013

Abstract

 

Boubo river and lagoon, south Côte d’Ivoire, are contaminated by manganese released in wastewater from manganese exploitation and from the soil of Grand-Lahou region in Côte d’Ivoire. So, there is a need to develop a simple method for the evaluation of manganese present in natural water. This work reports the utility of rapid and inexpensive method for determination of dissolved manganese (II) in natural water by cathodic stripping voltammetry using rotating carbon paste disk electrode. The experimental parameters for the determination of manganese (II) were optimized. Under the optimum conditions, the method was successfully applied to determination of free manganese in river and lagoon samples taken near the manganese exploitation in the area of Grand-Lahou, Côte d’Ivoire.

 

Key words: Manganese, cathodic stripping voltammetry, carbon paste electrode, rotating disk electrode, river water, lagoon water.