Poor reproducibility on ACQUITY UPLC H-Class - WKB63574

SYMPTOMS

• Peaks are present but areas are inconsistent
• Sample syringe leak test fails

ENVIRONMENT

• ACQUITY UPLC
• ACQUITY UPLC H-Class
• ACQUITY UPLC H-Class Bio
• ACQUITY UPLC I-Class
• ACQUITY UPLC H-Class PLUS
• ACQUITY UPLC H-Class PLUS Bio
• ACQUITY UPLC I-Class PLUS
• ACQUITY UPLC M-Class

CAUSE

Sample syringe is leaking.

FIX or WORKAROUND

Replace the sample syringe.

ADDITIONAL INFORMATION

For part numbers, see the article What are the part numbers for the ACQUITY Sample Manager Flow Through Needle sample syringes? - WKB10580