Shifting retention time with ACQUITY UPLC solvent managers - WKB195835
Article number: 195835
SYMPTOMS
- Shifting retention times
- Wide peak shape
- Dynamic leak test failure
ENVIRONMENT
- ACQUITY UPLC Binary Solvent Manager (BSM)
- ACQUITY UPLC I-Class BSM
- ACQUITY UPC2 BSM
- ACQUITY UPLC H-Class BSM
- ACQUITY UPLC H-Class Quaternary Solvent Manager (QSM)
CAUSE
Faulty check valve
FIX or WORKAROUND
Replace the check valve on the failing pump head.
ADDITIONAL INFORMATION