Hach PLATINUM Series, Руководство пользователя

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Electrode Maintenance,
continued
entire reference electrolyte gel cartridge can become diluted
through diffusion. Typically this will not harm the Ag/AgCl
reference element, but the electrolyte cartridge itself will be
ruined. This storage method keeps the electrode ready to use,
but requires purging the gel every day.
Shelf Storage: For very long-term storage, store the electrode
dry. To empty the reference half-cell of electrolyte gel, remove
and discard the electrolyte cartridge. Use a syringe with male
luer fitting and no needle to inject deionized water through the
reference cell to flush out the reference electrolyte gel. Expel
the water injected into the reference cell with an air-filled
syringe. Replace the electrode storage bottle over the end of the
probe and tighten the cap. Refill the bottle as required with
electrode storage solution (Cat. No. 27565-49).
3.2 Cleaning the Electrode
A contaminated glass bulb or fouled electrode may cause slow
response times. Clean the electrode only after conducting the
steps described in Section 5 Troubleshooting or when the
electrode is known to be dirty. Don’t clean the bulb more
frequently than necessary, or bulb life may shorten. Follow the
instructions below to clean the electrode according to the type
of contaminant present:
General contamination—Immerse the electrode tip in 0.1 N
hydrochloric acid followed by immersion in 0.1 N sodium
hydroxide and again in 0.1 N hydrochloric acid, each for a
2-minute period. Rinse with deionized water and soak in
deionized water for at least 15 minutes.
Oils and fats—Immerse the electrode tip in a detergent solution
such as Alconox™. Use a soft brush or ultrasonic bath if
necessary. Avoid scratching the glass bulb.
Organic films—Use an appropriate solvent, such as methanol
or acetone.
Note: Keep the cable and connector away from dirt, abrasives, and harsh
solvents.