The method of claim 1 wherein the accuracy of the analyte determination is further increased by:a) determining the current (i.sub.1) during the application of the positive pulse and the current (i.sub.2) at the end of the application of the second potential, andb) calculating the analyte level G by solving the equation: ##EQU10## where Int and slope are the intercept and slope of i.sub.2, k is a p