Loss of sensitivity on 2465 Electrochemical Detector - WKB109553

SYMPTOMS

• Loss of sensitivity on 2465 Electrochemical Detector
• Replacing the HPLC column made no significant difference
• Passivating the HPLC system made no significant difference
• Cleaning the working electrode made no significant difference

ENVIRONMENT

• Empower 
• 2465 Electrochemical Detector
• 2695 Separations Module

CAUSE

The wrong flow cell spacer was installed.

FIX or WORKAROUND

Install the correct flow cell spacer. See What are the different options for spacers for a 2465 Electrochemical Detector flow cell? - WKB23564

ADDITIONAL INFORMATION