Agilent Technologies E5500 Series Guide de l'utilisateur Page 218

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Electrochemistry 15
Agilent 5500 SPM User’s Guide 218
Cleaning
Thorough cleaning of all components will greatly improve the results of
electrochemistry experimentation. Suggestions for cleaning each
component are given below.
Liquid Cell Cleaning
The liquid cell should be cleaned prior to every use according to these
instructions:
Non-Critical Applications
1 Sonicate the liquid cell in laboratory detergent.
2 Rinse in 18 MW/cm water.
3 Rinse in methanol.
4 Blow dry under argon or nitrogen gas.
Critical Applications
1 Soak overnight in a solution of 70 % concentrated sulfuric acid and
30 % hydrogen peroxide (of 30 % v/v concentration).
2 Rinse thoroughly, at least four times, in 18 MW/cm water.
3 Boil for one hour in 18 MW/cm water, changing the water every 15
minutes. You may instead rinse overnight in 18 MW/cm water.
4 Rinse two more times in 18 MW/cm water.
5 Dry under argon or nitrogen gas.
WARNING
Use extreme caution when handling this solution. It is a strong
oxidizing agent and extremely corrosive.
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