Skip to main content
Waters

Negative peaks on 2414 Refractive Index Detector - WKB92539

Article number: 92539

SYMPTOMS

  • Negative peaks on 2414 Refractive Index Detector
  • Also see negative peaks in blank injections which is mobile phase

ENVIRONMENT

  • 2414 Refractive Index Detector
  • Empower 3

CAUSE

Contaminated water

FIX or WORKAROUND

  1. Use a different water source

ADDITIONAL INFORMATION

Troubleshooting tip:  Double or triple the injection volume.  If the peak area increases, then the contamination is in the mobile phase.  If the peak area stays the same, then the contamination is somewhere in the system.

eluent

Not able to find a solution? Click here to request help.