Voltammetric Determination of Pesticide Paraquat on Meniscus Modified Silver Solid Amalgam Electrode

Abstrakt

New electroanalytical methods for voltammetric determination of paraquat were developed using DC voltammetry (DCV) and differential pulse voltammetry (DPV) at a meniscus modified silver solid amalgam electrode (m-AgSAE). Optimal conditions were found in Britton-Robinson (BR) buffer pH 11 without regeneration of working electrode within the concentration range 1.10-4 – 1.10-7 mol.l-1.

Klíčová slova

• Paraquat
• DC voltammetry
• Differential pulse voltammetry
• Meniscus modified silver solid amalgam electrode