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Peak area in 2489 is two to three times higher than expected - WKB111312

Article number: 111312

SYMPTOMS

  • With 2489 detector, reproducibility is good but the peak area is two to three times higher than expected

ENVIRONMENT

  • 2695 Separations Module
  • 2489 UV/Vis Detector

CAUSE

Syringe volume is configured incorrectly.

FIX or WORKAROUND

  1. From the 2695 front panel, go to Config.
  2. Change the syringe size from 100 to 250.

ADDITIONAL INFORMATION

Motor step counts will double to triple when syringe size is changed from 250 to 100 for the same injection volume.

id111312, 2489, 2489B, 2489SFC, 2690, 2690D, 2690DUPGD, 2690UP, 2695, 2695D, 2695DE, 2695DEB, 2695DUP, 2695E, 2695EB, 2695INERT, 2695UP, A-10SSM, A-10UV

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