Split chromatographic peaks on ACQUITY UPLC systems - WKB64383
Article number: 64383
SYMPTOMS
- Chromatographic peaks are split or are missing
ENVIRONMENT
- ACQUITY UPLC
- ACQUITY I-Class SM-FL
- ACQUITY I-Class SM-FTN
- ACQUITY H-Class SM-FTN
CAUSE
Injection valve screw is loose and over time the valve has moved slightly forward.
FIX or WORKAROUND
- Tighten the injection valve screw.
- If needed, replace the injection valve, which might be damaged.
ADDITIONAL INFORMATION