Chromatogram trace dips when the baffle turns on QTof Premier - WKB24512

SYMPTOMS

• Periodic dip in trace that correlates with baffle turn

ENVIRONMENT

• QTof Premier
• QTof micro
• QTof Ultima API
• QTof Ultima Global
• Synapt HDMS
• SYNAPT G2
• SYNAPT G2 MS/HDMS
• SYNAPT G2-S MS/HDMS
• SYNAPT G2-Si MS/HDMS
• SYNAPT G2-S
• SYNAPT G2-Si
• Vion IMS QTof
• Xevo QTof
• Xevo Tof
• Xevo G2 QTof
• Xevo G2 Tof
• Xevo G2-S
• Xevo G2-S QTof
• Xevo G2-S Tof
• Xevo G2-XS
• Xevo G2-XS QTof
• Xevo G2-XS Tof

CAUSE

Dirty baffle

FIX or WORKAROUND

1. Clean the cone and the baffle in 100% formic acid.
2. Rinse well with water and test.

ADDITIONAL INFORMATION

If this did not work, further cleaning is required. See Chromatogram trace dips when the baffle turns on SYNAPT.