COL26033 0622 - AN 009 pH of concentrated samples

This application note discusses challenges, best practices, and recommended instruments for measuring pH in high ionic strength samples like seawater, brines, and strong acids/bases. It highlights the impact of ionic strength on pH measurement accuracy and provides practical tips for optimizing results, including using specific electrodes, adjusting filling solutions, and ensuring stable readings. The note also includes product recommendations for pH measurement equipment and solutions.