ActionStep
Remove the cup with the first buffer from the holder and replace it with the
cup with the second buffer.
6
Re-insert the pH probe into the holder, with the end submerged in the buffer.7
Enter the pH value for the second buffer (with the lowest pH solution) in the
Reference value 2 field, wait for the value to stabilize, and press Read value
2.
8
Wait for response and, if the electrode passed, press Close. Otherwise, press
Close, refresh/change the pH electrode, and repeat the calibration procedure.
9
Remove the cup from the holder.10
Relocate the pH probe in the flow cell.11
150 ÄKTAprocess Operating Instructions 29-0252-49 AA
6 Maintenance
6.5 Calibration of pH probe
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