Skip to main content
column chromatography

column chromatography

7.7
A laboratory method that separates a mixture as it moves through a tube filled with solid material
  • noun
  • /ˈkɑːləm ˌkrəʊməˈtɒɡrəfi/
  • Specialized
translation icon : cromatografía en columna
  • To purify the sample, she employed column chromatography and successfully separated the components for further analysis.

Examples

  • In the laboratory, scientists used column chromatography to separate different pigments from the plant extract.

  • The chemist explained how column chromatography allows for the isolation of compounds based on their adsorption properties.

  • So there are two major types of compounds that they use in column chromatography and the first one this is anyone know what this is?

How Effective

column chromatography
  • Specialized
7.7
chromatography
  • Specialized
3 8.6
paper chromatography
  • Specialized
6.0

Surface Forms

Morphology

column + chromatography

The term is compositional: 'chromatography' names the laboratory separation technique and 'column' specifies the apparatus used, so the phrase denotes the form of chromatography performed with a column. A B1 learner who knows both constituents can reasonably infer it refers to the chromatography method using a (vertical/tubular) column; this modifier pattern is cross-linguistically common and therefore transparent.

Etymology

Column chromatography comes from a simple lab picture: a tall glass column, a tube, is filled with a powdery solid that different parts of a mixture can stick to while a liquid pushes the mixture down so the parts come out at different times. That's why column chromatography means a lab method to 'separate' the parts of a mixture as they pass through the column.