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Negative peaks observed using Refractive Index Detector - WKB67342

Article number: 67342

SYMPTOMS

  • Negative peaks observed using Refractive Index Detector
  • Negative peaks have the same peak shape and intensity as positive peaks, but they appear mirrored
  • Reduce back pressure does not resolve
  • Occurring in both standard and samples
  • Noise and drift test pass, but peak integration is not consistent.

ENVIRONMENT

  • 2410 Differential Refractometer
  • 2414 Refractive Index Detector
  • ACQUITY RI Detector

CAUSE

The cell is dirty 

FIX or WORKAROUND

 

ADDITIONAL INFORMATION

If this does not resolve see Dip in 2414 baseline - WKB200978

id67342, 2410, 2414, 2414B, A-10RI, A-30RI, UPRI, UPRIARC

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