Partially clogged guard-column- WKB4707
Article number: 4707
SYMPTOMS
- Shifting Retention times for some methods.
- System pressure is higher than usual.
ENVIRONMENT
- ACQUITY UPLC H-Class
- ACQUITY UPLC
- Guard-column
CAUSE
Partially blocked guard-column.
FIX or WORKAROUND
Replace the guard-column.
ADDITIONAL INFORMATION
See also: How to determine if a pressure increase is due to the column or the guard column - WKB24162