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Chromatography vs. Chromatogram — What's the Difference?

Chromatography vs. Chromatogram — What's the Difference?

Difference Between Chromatography and Chromatogram

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Chromatography

Any of various techniques for the separation of complex mixtures that rely on the differential affinities of substances for a mobile (gas or liquid) medium and for a stationary adsorbing (liquid or solid) medium through which they pass, such as paper, gelatin, or silica.

Chromatogram

The pattern of separated substances obtained by chromatography.

Chromatography

Chromatography is a laboratory technique for the separation of a mixture. The mixture is dissolved in a fluid (gas or solvent) called the mobile phase, which carries it through a system (a column, a capillary tube, a plate, or a sheet) on which is fixed a material called the stationary phase.

Chromatogram

(analytical chemistry) The visual output from a chromatograph. Usually a graphical display or histogram.

Chromatography

(analytical chemistry) Any of various techniques for the qualitative or quantitative separation of the components of mixtures of compounds; all characterised by the use of a mobile phase (gas or liquid) moving relative to a stationary phase (liquid or solid) – the differences between the rates of migration of the compounds between the two phases effects the separation.
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Chromatogram

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

Chromatography

A treatise on colors

Chromatogram

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.

Chromatography

An analytical and preparative technique for separating substances by differences in their selective adsorption to solids, by passing a liquid over the solid, to which the substances to be separated have usually been adsorbed in a preliminary step. The major variations are column chromatography, in which the substances to be separated are adsorbed to a column with any of a wide variety of adsorbing solids in powdered or granulated form; paper chromatography, in which the solids are applied as a spot at one end of a strip of absorbent paper (such as filter paper), and the liquid is percolated through the paper by capillary action; and thin-layer chromatography (TLC), which is similar to paper chromatography, but the adsorbent material is, instead of paper, a thin layer of finely powdered material, such as cellulose or silica, on a backing of glass or plastic, called a TLC plate. A modern version of column chromatography is high-performance liquid chromatography, usually referred to as HPLC.

Chromatogram

The recording (column or paper strip) on which the constituents of a mixture are adsorbed in chromatography

Chromatography

A process used for separating mixtures by virtue of differences in absorbency

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