Voltammetric determination of vitamin C in foods

Comparative study on Voltammetric determination vitamin C in liver and Tomato paste using graphite and platinum electrodes.The cyclic and diffrential pulse voltammetry is used for comparative analysis and the samples were collected from gonder free market called kidame gebeya and piassa. As the samples bought from the market the sample is homogenized by using mortar and pistle in University of Gonder chemistry laboratory. Tsegaye Tadesse