AssayIndex
Chromatography

Drift

Slow monotonic change in the baseline across a run. Caused by mobile-phase absorbance changing with organic fraction, or by column temperature not being controlled.

Related terms

Baseline
The detector signal in the absence of an eluting analyte. On a gradient it drifts, and where the baseline is drawn determines the integrated area.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.