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Waters

Poor resolution with ACQUITY UPLC Tunable UV Detector - WKB200653

Article number: 200653

SYMPTOMS

  • Peak missing from shoulder on larger peak (see image below)

ENVIRONMENT

  • ACQUITY UPLC Tunable UV Detector
  • ACQUITY UPLC H-Class Bio
  • ACQUITY UPLC H-Class PLUS Bio

CAUSE

Dirty flow cell    

FIX or WORKAROUND

Replace the TUV flow cell (205000611 - 5 mm Titanium).

ADDITIONAL INFORMATION

Tried flushing method (WKB48267), but issue persisted. 

Peak missing shown in image (black peak is dirty flow cell, blue peak is normal):

clipboard_e44f7cd7ae3da3f611a9aa69f9b93de4b.png

After flow cell replacement:

clipboard_e60cacb27fbb11692fd81022f2b12835f.png

id200653, A-30UV, UPARPTUV, UPPTUV, UPTUV, UPTUVARC, UPTUVARCB, UPTUV-E, UPTUVTC

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