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1. pH measurement
1.1 General
The concept of pH (hydrogen potential), first introduced by Sörensen in 1909, is used to measure the acidity of a solution - acidity in the Brönsted-Lowry sense, i.e. the exchange reactions of the H + ion (also called proton).
pH is related to the activity of H + ions solvated by the solvent molecules in which they have been dissolved:
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pH measurement
Bibliography
Websites
Organizations
AFNOR Association Française de Normalisation http://www.afnor.org
ASTM American Society for Testing and Materials http://www.astm.org
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