Malkin, Robert2018-09-062018-09-062006http://hdl.handle.net/20.500.12091/203The pH meter is used for determining the concentration of hydrogen ions [H+] in a solution. This equipment, provided it is carefully used and calibrated, measures the acidity of an aqueous solution. pH meters are sometimes called pH analysers, pH monitors or potentiometers.en-USpHBook chapter