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Band

one or more colored areas (circular to elongated shape) on a TLC plate produced by the separation of the dye components for a particular combination of solvent and stationary phase. Bands are created as the solvent (mobile phase) moves past and reacts with the solute, migrating from the origin.
Discussion—“Spot” may also be used to describe this area.

Committee

Trace Materials

Date Added to Lexicon

01/15/2025

Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)

ANSI/ASTM E1732-24e1 Standard Terminology Relating to Forensic Science. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2024. Source link

Reprinted, with permission, from ASTM E1732-24e1 Standard Terminology Relating to Forensic Science, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard is available from ASTM International, https://www.astm.org