Manual: Theory and Practice of pH Measurement

nearly as common as pH, certain industries make valuable use of the measurement. 1.1 INTRODUCTION pH is a measure of the relative amount of hydrogen and hydroxide ions in an aqueous solution. In any collection of water molecules a very small number will have dissociated to form hydrogen (H+) and hydroxide (OH-) ions: H2O = H+ + OH-

  Introduction, Practices, Measurement, And practice of ph measurement, Introduction ph