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maintenance_ph [14/12/2018 15:59]
pieter 		maintenance_ph [19/06/2019 14:09]
pieter [Cleaning]
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 Use the Consort cleaning solution **B530** to clean the electrodes for general use. This action is preferably done on a regular time base to ensure a continuous good operation as much as possible. Use the Consort cleaning solution **B530** to clean the electrodes for general use. This action is preferably done on a regular time base to ensure a continuous good operation as much as possible.
-  * Place the with distilled water rinsed electrode in the cleaning solution for 10-15 minutes.+  * If deposits are visible, use a soft brush to remove them if possible. 
 +  * Place the with distilled water rinsed electrode in the cleaning solution for 10-15 minutes. 
   * Rinse it again with distilled water before storing the electrode in a 3M KCl electrolyte solution (or other depending on the used electrolyte).   * Rinse it again with distilled water before storing the electrode in a 3M KCl electrolyte solution (or other depending on the used electrolyte).
  
 Depending on the possible contaminants, use the guide below to choose the appropriate solution: Depending on the possible contaminants, use the guide below to choose the appropriate solution:
   * **stuborn deposits and bacterial growth**: soak the electrode in a 1:10 dilution of household laundry bleach for 15 minutes.   * **stuborn deposits and bacterial growth**: soak the electrode in a 1:10 dilution of household laundry bleach for 15 minutes.
-  * **proteinaceous materials (such as blood)**: the electrode should stand in a Pepsine cleaning solution  overnight and then be cleaned with distilled water before use.  +  * **protein-containing materials/deposits (cheese, meat, blood, ...)**: the electrode should stand in a Pepsine cleaning solution 1% pepsin in 0.01 M to 0.1 M HCl (Consort article **B231**) overnight and then be cleaned with distilled water before use. 
-  * **protein deposits**: soak the electrode in 1% pepsin in 0.1 M HCl (Consort article **B231**) for 15 minutes+
   * **inorganic deposits**: soak the electrode in 0.1 M tetra sodium EDTA for 15 minutes.   * **inorganic deposits**: soak the electrode in 0.1 M tetra sodium EDTA for 15 minutes.
   * **oil and grease**: rinse the electrode with mild detergent (B530) or methanol.   * **oil and grease**: rinse the electrode with mild detergent (B530) or methanol.
maintenance_ph.txt · Last modified: 19/06/2019 14:09 by pieter

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