20
Electrode Cleaning Recommendations
Do not soak the electrode in the solutions for longer than the recommended
length of time. To do so may cause a reference potential shift which will
cause degradation in performance or failure. When cleaning the electrode,
take care not to scratch or damage the sensing surface or the platinized
electrode surfaces.
Contaminant
Cleaning Solution
Procedure
Water soluble
Deionized water
Soak or scrub with a soft brush. Recondition
in pH 4 or 7 buffer for 1 hour.
Grease and oil
Warm water
and household
detergent
Soak or scrub with a soft brush, maximum
10 minutes. Rinse thoroughly with DI water.
Recondition in pH 4 or 7 buffer for 1 hour.
Heavy grease
Alcohol
Soak for a maximum of 5minutes. Scrub with
a soft brush. Rinse thoroughly with DI water.
Recondition in pH 4 or 7 buffer for 1 hour.
Lime and
hydroxide
coatings
10% Acetic acid
Soak until coating dissolves, maximum 5
minutes. Rinse thoroughly with DI water.
Recondition in pH 4 or 7 buffer for 1 hour.