Title: starting line
Long Title: IUPAC Gold Book - starting line
DOI: 10.1351/goldbook.S05937
Status: current

Definition
The point or line on a chromatographic layer where the substance to be chromatographed is applied.

Source
- Orange Book, 2nd ed., p. 77 (https://media.iupac.org/publications/analytical_compendium/)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/S05937/html
- json: https://goldbook.iupac.org/terms/view/S05937/json
- xml: https://goldbook.iupac.org/terms/view/S05937/xml

Citation: Citation: 'starting line' 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.S05937
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .
Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-05-13T16:27:55+00:00