Phenomenex | Ghost Peaks Technical Tip: (BOO!) How to Spot Them & Scare Them Away

Peaks in your chromatogram not attributed to the sample injected are commonly referred to as ghost peaks. Several problems can be the cause of ghost peaks manifesting, including: Late eluting peaks from the previous injection Injector carryover Solvent impurities in the mobile phase Late Eluting Peaks from Previous Injection In this example, a strongly retained compound […]