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ELECTRODE CONDITIONING & MAITENANCE 19
13. ELECTRODE CONDITIONING & MAITENANCE
Preparation Procedure
Remove the protective cap of the pH electrode (MA919B/1).
Do not be alarmed if salt deposits are present. This is normal with electrodes. They will
disappear when rinsed with water.
During transport, tiny bubbles of air may form inside the glass bulb affecting proper
functioning of the electrode. These bubbles can be removed by "shaking down" the
electrode as you would do with a glass thermometer.
If the bulb and/or junction is dry, soak the electrode in MA9015 Storage Solution for at
least one hour.
If the filling solution (electrolyte) is more than 2½ cm (1") below the fill hole, add MA9011
3.5M KCl Electrolyte Solution. For faster response, unscrew the fill hole screw during
measurements.
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