Peaks missing intermittently in a batch of injections - WKB280921
Article number: 280921
SYMPTOMS
- When running a batch of samples, some injections show no peaks
- Occasionally, no sample injected
ENVIRONMENT
- ACQUITY UPLC Sample Manager
CAUSE
The needle depth is set too high.
FIX or WORKAROUND
Set needle depth to an appropriate value for the plate type and sample volume.
ADDITIONAL INFORMATION
id280921, A-30SM, UPISMFTN, UPPFTN, UPSMFTN, UPSMFTN+