Scientific Glossary

Retention time

The interval associated with an analyte passing through a chromatographic system under specified conditions.

2026-09-09

Editorial educational content. Specialist review is not claimed; consult the original references and limitations.

Definition and context

The interval associated with an analyte passing through a chromatographic system under specified conditions.

What to check

Compare the sample and reference under the same method; column and mobile-phase changes affect retention.

Interpretation

Retention time is not a universal identity constant.

Sources and verification scope

Official / regulatory source · G02

Retention time in chromatography ↗

IUPAC Gold Book

Source details (original language)
Scope
Chromatographic terminology
Document section
Term R05364
Limitations
Method-dependent quantity.
Claim verification date
2026-09-09

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