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What is the purpose of using a double gradient to troubleshoot ghost peaks or carryover? - WKB67099

Article number: 67099

ENVIRONMENT

  • Carryover
  • Ghost peaks
  • Double gradient

ANSWER

If you see ghost peaks or unknown peak carryover in the gradient chromatography, programming a double gradient with a blank or zero uL injection helps narrow down the source of the peaks—injector, mobile phase, column, or sample-related.

ADDITIONAL INFORMATION

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