Cleaning Electrodes
Cleaning Electrodes*
Gathered from various scientific and manufacturer resources
by E. Devon Eldridge
*Always consult your equipment manufacturer and institution safety officials. Use information below at your own risk. | |
Cleaning Reusable Electrodes (Method 1)
1) Immediately after removing the electrode, take off adhesive and wash out the gel or cream using distilled or deionized water (NEVER use tap water).
2) A cotton swab may be used to remove the gel or cream
3) Soak electrode in a mild saline solution until the next application |
Cleaning Reusable Electrodes (Method 2)
1) Use a cotton swab with distilled water to clean electrode.
2) Use any lab cleaner with pumice (such as Ajax) with cotton swab to remove any dark residue.
3) Use Hydrogen Peroxide solution (2-3%) with cotton swab to brighten electrode surface (optional) or to sterilize electrode.
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Cleaning Oxidized Ag/AgCl Electrodes
(A brown coating may form over the sensing element.)
1) Brown coating can be removed by wiping with a mild ammonium hydroxide or by lightly abrading with a very thin strip of 200 mesh emery cloth.
2) Then, store in a dark drawer or closed opaque box.
3) Electrodes may be permanently damaged if exposed to any amount of bromide, sulfide, and other metal ions.
4) Do not expose the electrodes to tap water, EEG pastes with abrasive clays, or miscellaneous soap solutions or abrasive cleaners |
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