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Ghost peaks are present when running blanks with a 717 Autosampler - WKB17984

Article number: 17984

SYMPTOMS

  • Ghost peaks are present in blank injections with a 717 Autosampler
  • The analyte dissolves in acetonitrile

ENVIRONMENT

  • 717 Autosampler

CAUSE

There is contamination in the needle of the 717 Autosampler. 

FIX or WORKAROUND

  1. Fill a vial with 100% acetonitrile.
  2. Perform 10 replicate injections to clean out the needle.

ADDITIONAL INFORMATION

 

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