A visible record (such as a series of colored bands, or a graph) showing the result of separation of the components of a mixture by chromatography.
- ‘The chromatogram produced can then be used to give an autoradiograph so the compounds that the radioactive material has been incorporated into can be readily identified.’
- ‘Extracts of material from New Zealand dating back to a meteor impact 65 million years - during the Cretaceous-Tertiary, K-T - period were thought to contain fullerenes because of intriguing peaks in their chromatograms.’
- ‘Standards were visualized by ninhydrin reagent and the chromatogram containing phosphorylated proteins was autoradiographed.’
- ‘The adhesive was first tested to determine that it was not alcohol soluble and did not contain chemicals that would react with the vanillin reagent used to visualize terpenes in the chromatograms of the isolated trichome samples.’
- ‘The same peak kept showing up in chromatograms, one after another.’
We take a look at several popular, though confusing, punctuation marks.