1. Laboratory of Chemistry and Environmental Sciences, University Tahri Mohammed of Bechar, Bechar, Algeria;
2. Laboratory of Analytical Chemistry and Electrochemistry, Faculty of Science, University of Tlemcen, Tlemcen, Algeria;
3. Department of Chemistry, Faculty of Science, University of Malaya, Kuala lumpur, Malaysia;
4. Deparment of Chemistry, Bayero University, Kano, Nigeria