Chimie analytique : une revue indienne
ISSN (PRINT): 0974-7419

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Voltammetric analysis of ascorbic acid using a natural phosphate modified carbon paste electrode

Tarik El ouafy,Abdelilah Chtaini, HassanOulfajrete, RachidaNajih


This paper describes the development, electrochemical characterization and utilization of novel modified natural phosphate carbon paste modified electrode (NP-CPE) for the electrocatalytic determination of ascorbic acid (AA). The electrochemical profile of the proposed modified electrode was analyzed by cyclic voltammetry (CV) and Square Wave Voltammetry (SWV). The influence of variables such the concentration of ascorbic acid adsorbed onto NP, and the pH of solution were tested. The capacity of prepared electrode (NP-CPE) for selective detection of AA was confirmed in a sufficient amount of ascorbic acid.


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