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Waters

"Unknown peak" and "Missing peak" when processing in Empower - WKB16191

Article number: 16191

SYMPTOMS

  • "Unknown peak" and "Missing peak" for just one peak in review window when processing an injection
  • Must constantly update processing method to update retention time

ENVIRONMENT

  • Empower 3 Feature Release 2 

CAUSE

RT window (set to 2%) is too narrow.

FIX or WORKAROUND

  1. Edit the processing method and increase the RT window to 3% or 5%, which is the default.
  2. Save the processing method.
  3. Reprocess.

ADDITIONAL INFORMATION

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