Title: gradient layer
Long Title: IUPAC Gold Book - gradient layer
DOI: 10.1351/goldbook.G02671
Status: current

Definition
The chromatographic bed used in thin-layer chromatography in which there is a gradual transition in some property.

Related Term
- thin-layer chromatography: https://goldbook.iupac.org//terms/view/T06346

Source
- PAC, 1993, 65, 819. 'Nomenclature for chromatography (IUPAC Recommendations 1993)' on page 830 (https://doi.org/10.1351/pac199365040819)

Related Reference
- Orange Book, 2nd ed., p. 98 (https://media.iupac.org/publications/analytical_compendium/)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/G02671/html
- json: https://goldbook.iupac.org/terms/view/G02671/json
- xml: https://goldbook.iupac.org/terms/view/G02671/xml

Citation: Citation: 'gradient layer' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.G02671
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Accessed: 2026-07-29T13:06:35+00:00