Figure 11. Second derivative calculated for points starting from the first derivative for a titration of Pepsi-cola with sodium hydroxide

From

Qualitative Measurement of pH and Mathematical Methods for the Determination of the Equivalence Point in Volumetric Analysis

Andrea Checchetti, Jessica Lanzo

World Journal of Chemical Education. 2015, 3(3), 64-69 doi:10.12691/wjce-3-3-2