chromatogram

American  

[kruh-mat-uh-gram, kroh-muh-tuh-] / krəˈmæt əˌgræm, ˈkroʊ mə tə- /

noun

Chemistry.

1. the column, gel layer, or paper strip on which some or all of the constituents of a mixture have been separated by being adsorbed at different locations.

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chromatogram British  

/ ˈkrəʊmətəˌɡræm, krəʊˈmæt- /

noun

1. a column or strip of material containing constituents of a mixture separated by chromatography

2. a graph showing the quantity of a substance leaving a chromatography column as a function of time

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Etymology

Origin of chromatogram

First recorded in 1920–25; chromato- + -gram ¹

Example Sentences

See Examples For:

chromatogram

Bottom left, chromatogram of the fraction containing peak I. Bottom right, chromatogram of the fraction containing peak II. e, BN–PAGE of the ACIII–cyt aa3 supercomplex.

From Nature ● Apr. 24, 2018

Top right, the chromatogram of the sample isolated using the SMA copolymer, showing traces for protein at 280 nm, haem c at 410 nm and haem a at 605 nm.

From Nature ● Apr. 24, 2018

That process makes it easier to identify chemicals, and the mass spectrometer then spits out the different measurements in a computer chart with peaks and valleys called a chromatogram.

From The Verge ● Nov. 8, 2017

To prepare a bacterial chromatogram, Scientists Alexander and Gould use a pure strain of bacteria, allow them to grow for several hours in a nutrient solution, then extract the metabolic products that have been excreted.

From Time Magazine Archive

Since the metabolic products of each strain of bacteria contain different chem ical compounds, each chromatogram forms an easily identifiable profile.

From Time Magazine Archive