Mass spectrometer peaks are split or show flat tops - WKB67894

SYMPTOMS

• Peaks split in two
• Peaks show flat top

ENVIRONMENT

• Quadrupole MS
• Quattro Premier
• Quattro Premier XE
• Quattro LC
• Quattro LCZ
• Quattro micro API
• Quattro Ultima
• 3100 Mass Detector
• SQ Detector
• SQ Detector 2
• TQ Detector
• ACQUITY TQD
• Xevo TQ MS
• Xevo TQD
• Xevo TQ-GC
• Xevo TQ-S
• Xevo TQ-S micro
• Xevo TQ-XS
• ZQ 2000
• ZQ 4000
• ZMD

CAUSE

Detector gain is set too high.

FIX or WORKAROUND

Lower the mass spectrometer gain setting until the peak is not saturated.

ADDITIONAL INFORMATION