MANTECH recommends storing pH and other electrodes immersed in a 1:10 dilution of pH 4 buffer in Tap Water. Conductivity electrodes can be stored in air for system configurations that do not place it on the same holder as another electrode.
For MANTECH’s ion-selective electrodes, MANTECH recommends each ion should be stored in a dilute solution of the ion that it measures. For example, store your chloride electrode in a solution of 1.0 x 10-2 M chloride solution.
For a full list of electrodes and their recommended storage, please click here.
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