pH
The pH value or pH is the negative of the base 10 logarithm of the activity of hydrogen ions H+. A pH electrode reports the pH and is sensitive to the activity of H+. In dilute solutions, the hydrogen ion activity is approximately equal to the hydrogen ion concentration. The symbol pH stems from the term potentia hydrogenii.
O2k-Products
pH can be measured with the O2k-pH ISE-Module in combination with any O2k-Package.