Regenerate Dried Out Ph Electrode - GE AKTA avant User Manual

7.6.8

Regenerate dried out pH electrode

Introduction
If the glass membrane dries out it is important to restore the hydrated glass layer.
Stage
1
2
3
Regeneration methods
Use one or both of the following methods to regenerate a dried out pH electrode.
Method 1
Soak the electrode in 1 M KNO
Method 2
Soak the electrode in 0.1 M HCl overnight. Rinse it carefully with distilled water. Soak it
in 4 pH buffer for 1 hour.
ÄKTA avant User Manual 29035184 AE
Description
First try Method 1.
If Method 1 does not help, try Method 2.
If the electrode continues to be slow or not function properly, replace it with
a new one.
3

7.6.8 Regenerate dried out pH electrode

for 5 hours or overnight.
7 Maintenance
7.6 Maintenance when required
311