ACQUITY UPLC retention times drift - WKB123799
Article number: 123799
SYMPTOMS
- Peak retention times drift, appearing both early and late
- Passes pump leak tests
- Column temperature is ok and stable
- System pressure is low
ENVIRONMENT
- ACQUITY UPLC
CAUSE
Leak on the mixer
FIX or WORKAROUND
Replace the mixer. Confirm that system pressure increases and RT returns to normal.
ADDITIONAL INFORMATION
id123799, UPBINARY, UPBINARY, UPBSM+, UPIBSM, UPIBSM+, UPPBSM