Low sensitivity in both positive and negative modes on MS systems - WKB112525

SYMPTOMS

• Low sensitivity in both positive and negative modes

ENVIRONMENT

• ACQUITY QDa Mass Detector
• 3100 Mass Detector
• SQ Detector
• TQ Detector
• SQ Detector 2
• Xevo TQD MS
• Xevo TQD
• Xevo TQ-S
• Xevo TQ-S cronos
• Xevo TQ-S micro
• Xevo TQ-XS
• SYNAPT G2-S
• SYNAPT G2-Si
• SYNAPT G2-XS
• Xevo G2-S Tof
• Xevo G2-XS Tof

CAUSE

Dirty or blocked sample cone or aperture disc

FIX or WORKAROUND

Clean or replace the sample cone/gas nozzle, or replace the aperture disk for the QDa.

Clean or replace Probe 

ADDITIONAL INFORMATION

Ordering information:

QDa: Aperture Disc Assembly, 0.2mm, Performance (# 700009768), Sample Cone (# 700009597)

3100MS / SQD / TQD: Gas Cone, Camlock (# 700003054), Sample Cone, 0.5 Diam. (# 700003055)

SQD 2 / Xevo TQD: Cone Gas Nozzle (# 700004216), Sample Cone (# 700005997)

Xevo TQ MS: Cone Gas Nozzle (# 700004216), Sample Cone (# 700004219)

Xevo TQ-S: Cone Gas Nozzle (# 700004216), Sample Cone (# 700005350)

Xevo TQ-XS: Cone Gas Nozzle (# 700004216), Sample Cone (# 700011217)

Xevo TQ-S cronos: Cone Gas Nozzle (# 700004216), Sample Cone (# 700012275)

Xevo TQ-S micro: Cone Gas Nozzle (# 700004216),Sample Cone (# 700010289)

SYNAPT G2-S / Si: Cone Gas Nozzle (# 700004216), Sample Cone (# 700005350)

SYNAPT XS: Cone Gas Nozzle (# 700004216), Sample Cone (# 700011217)

Xevo G2-S / XS: Cone Gas Nozzle (# 700004216), Sample Cone (# 700009087)