GE AKTA avant, User Manual

Page: 260 / 538

6.7 UV monitor U9-L test
Method description
UV U9-L test checks the functionality of the UV monitor U9-L.
The method run takes approximately 10 minutes.
Required configuration
A correctly installed UV monitor U9-L is required to run the test.
Required material
The following materials are required:
• Distilled water
•
1% acetone in distilled water
•
Ref 1 tubing, see Reference tubing, on page 439
•
Syringe, 25 to 30 ml
• Mixer, 1.4 ml
Prepare the UV U9-L test
Follow the instructions to prepare the system before method start.
Action Step
Direct outlet tubing W and W1 to a waste container. 1
Place inlet tubing A1 into distilled water. 2
Place inlet tubing B1 into a solution of 1% acetone in distilled water. 3
Connect the Ref 1 tubing on the Column valve position 1, to generate a back
pressure. 4
Make sure that the Mixer with a chamber volume of 1.4 ml is installed. 5
For information on how to change Mixer, see Section 7.8.2 Replace the Mixer,
on page 338.
260 ÄKTA avant User Manual 29035184 AE
6 Performance tests
6.7 UV monitor U9-L test