3. Apply a few drops of slurry to the wetted polishing disc, and polish the electrode with a
figure-8 motion for about one minute. Apply only gentle pressure.
4. Clean the electrode with an ethanol-wetted tissue and inspect the surface visually. Repeat
the procedure if necessary, until the shining metal REF surface appears.
5. Reassemble the detector cell.
6. Clean the polishing disc with demi-water.
7. Store the polishing disc in its plastic bag.
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