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ACD/Labs Blog

This document provides an overview of the ACD/pKa Classic prediction model and a review of improvements in prediction accuracy including highlights of collaborative projects using proprietary customer data, with excellent results.

pKa (the acid dissociation constant) describes the inherent property of a compound or ionizable functional group to lose H+ and generate hydronium ions (H3O+). pH measures the concentration of hydronium ions (H3O+) in aqueous solution. Read more about pKa.