pH Electrodes for Lab and Field
The electrodes consist of a measuring electrode and a reference electrode. pH electrodes from Xylem Analytics
are usually combined pH electrodes or combination electrodes, consisting of a glass and reference electrode
built into one unit. The glass membrane of our electrodes is sensitive to hydrogen ions and filled with a buffer
solution. There is a reference electrolyte in the reference electrode. Immersion in a measuring solution causes a
change in voltage - this change in voltage is recorded as a signal (analog or digital) and converted into a pH value.
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