n. 1. the paper strip, column, gel, or TLC plate on which subsances have been separated by a process of chromatography{2}.

2. the record of the results of a process of chromatography{2}, produced by an instrument which measures some property related to the concentration of substances over the course of a chromatographic process. The record may be printed, for example, on a piece of paper, showing the concentration of some substance as a function of time or volume; or it may be retained in a computer and displayed on a video display terminal. The analytical methods for determining which substances have moved to which point on the chromatogram are very varied, and the records of the results of a visualization techique, such as autoradiography, may itself be referred to as a chromatogram.


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Wed 13th November 2019