# chromatography

/kɹoʊməˈtɑɡɹəfi/ (US) · /kɹˌəʊmɐtˈɒɡɹəfi/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/chromatography
Updated: 2026-05-18

## Definition

a scientific method used to separate different substances in a mixture. It works by moving the mixture through a material that slows down some parts more than others.

For teachers: a laboratory technique used to separate mixtures by passing them through a medium that interacts differently with their components. The separation occurs based on the relative affinities of the substances for the stationary and mobile phases.

## Examples

- The scientist used chromatography to identify the different chemicals in the sample.
- Paper chromatography is a common method for separating pigments in a leaf extract based on their solubility.
- High-performance liquid chromatography allows researchers to isolate specific proteins from a complex biological fluid with high precision and speed, making it essential for pharmaceutical development.

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