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Waters

Area count decreases after each injection on Alliance 2695/2489 - WKB8038

Article number: 8038

SYMPTOMS

  • Area count decreases after each injection
  • Retention time is consistent 
  • Passes injection accuracy test 
  • Sample energy is lower than reference energy 

ENVIRONMENT

  • Alliance 2695
  • 2489 UV/Vis detector 

CAUSE

Dirty flow cell 

FIX or WORKAROUND

  1. Clean the flow cell. See the 2489 UV/Visible Detector Overview and Maintenance Guide. 

ADDITIONAL INFORMATION

 

2489, 2489B, 2489SFC, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, ALLCOLCLR, ALLCOLHTR, ALLCOLHTRB

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