Poor peak shape (fronting/tailing) or resolution on the QTof - WKB81057
Article number: 81057
SYMPTOMS
- Peak shape is fronting or tailing
- Resolution is low (<25,000 in Pos Sens for Leu Enk)
ENVIRONMENT
- Vion IMS QTof
- Xevo G2-XS
CAUSE
The tune settings have drifted over time.
FIX or WORKAROUND
Use the Reflectron Grid, Pusher Offset, and Steering settings to correct the peak shape and resolution.
If peak shape and resolution remain poor after tuning replace the aperture plate.
ADDITIONAL INFORMATION
id81057, VION, XEVOG2XSTF