Multi-walled Carbon Nanotube Modified Carbon Paste Electrode for the Voltammetric Determination of Folic Acid and Uric Acid

The multi-walled carbon nanotube modified carbon paste electrode (MWCNTMCPE) was used for the voltammetric investigation of folic acid (FA) and uric acid (UA) in physiological pH of 7.4. The scan rate and concentration study reveals that the electrode process was controlled by diffusion of the analytes. The sensitive separation for the binary mixture of FA and UA was observed by cyclic voltammetric and differential pulse voltammetric techniques. A simple modification procedure was reported for the determination of FA and UA.