Title: modulator
Long Title: IUPAC Gold Book - modulator
DOI: 10.1351/goldbook.09958
Status: current

Definition
Interface device between the two columns in a system for comprehensive two-dimensional chromatography that accumulates or samples narrow bands from the effluent of the first column for fast re-injection into the second column.

Related Term
- comprehensive two-dimensional chromatography: https://goldbook.iupac.org/terms/view/09953

Source
- PAC, 2017, 90, 181. 'Terminology of separation methods (IUPAC Recommendations 2017)' on page 209 (https://doi.org/10.1515/pac-2017-0111)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/09958/html
- json: https://goldbook.iupac.org/terms/view/09958/json
- xml: https://goldbook.iupac.org/terms/view/09958/xml

Citation: Citation: 'modulator' 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.09958
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Accessed: 2026-06-28T13:04:33+00:00