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Waters

Baseline slowly drifting on the 2414 Refractive Index (RI) Detector - WKB11406

Article number: 11406

SYMPTOMS

  • Baseline is very slowly drifting down
  • Instrument was powered-on overnight
  • Sample and reference flow cell thoroughly purged
  • LED optimized
  • New mobile phase
  • Very low pump pressure ripple
  • New assay
  • Flow rate accurate

CAUSE

Temperature was set on the column, but not on the detector.

FIX or WORKAROUND

  1. Set detector temperature.

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