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Waters

Poor peak area precision with 2424 ELSD - WKB64193

Article number: 64193

SYMPTOMS

  • Peak area varies from injection to injection, high % RSD, poor reproducibility.
  • Peak shape inconsistent at apex

ENVIRONMENT

  • 2424 ELS Detector

CAUSE

Nebulizer is going bad, giving poor spray.

FIX or WORKAROUND

Replace the nebulizer (205001124 - Standard High-Flow Nebulizer).

ADDITIONAL INFORMATION

If the system is qualified, replacement of the nebulizer requires ELSD requalification of the detector tests.

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