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
id67099, eluent