NOTICE
Keep UV flow cell clean. Do not allow solutions containing dissolved
salts, proteins or other solid solutes to dry out in the flow cell. Do
not allow particles to enter the flow cell, as damage to the flow cell
may occur.
Cleaning the flow cell
Action
Step
Connect a syringe to the inlet of the flow cell and squirt distilled water
through the cell in small amounts. Then fill the syringe with a 10% surface
active detergent solution like Decon™ 90, Deconex™ 11, RBS™ 25 or equiv-
alent, and squirt five times.
1
After five squirts, leave the detergent solution in the flow cell for at least 20
minutes.
2
Pump the remaining detergent solution through the flow cell.
3
Rinse the syringe and flush the cell with distilled water (10 mL).
4
Cleaning the optical fiber
connectors
When required, wipe the optical fiber connectors with 30% isopropanol on lens paper.
6.7
Storage
NOTICE
Keep UV flow cell clean. Do not allow solutions containing dissolved
salts, proteins or other solid solutes to dry out in the flow cell. Do
not allow particles to enter the flow cell, as damage to the flow cell
may occur.
Overnight
The flow cell can be left filled with buffer.
60
Monitor UV-900 Operating Instructions 28962214 AD
6 Maintenance
6.6 Cleaning the flow cell and optical connectors
