chromatograph

The scientist uses a chromatograph to separate the chemical mixture.

Definition

1. Noun:
   • An instrument used in chromatography to separate and analyze mixtures of chemical substances. It typically consists of a stationary phase and a mobile phase to achieve separation.

Usage Examples

• Noun:
  • The research team used a gas chromatograph to identify the compounds in the sample. (An instrument for separating chemical mixtures.)
  • Modern chromatographs can detect trace amounts of pollutants in water. (Advanced separation devices.)

Advanced Usage

• "to run a chromatograph": to operate the instrument for an analysis.

  • The technician ran the chromatograph twice to ensure accuracy. (Performed the separation process.)

• "chromatograph output": the data or results produced by the instrument.

  • The chromatograph output showed three distinct peaks. (The recorded data from the device.)

Variants and Related Words

• Chromatographic (adj): relating to chromatography or a chromatograph.

  • The chromatographic analysis revealed the presence of several impurities. (Pertaining to the separation method.)

• Chromatography (n): the scientific technique of separating mixtures using a chromatograph.

  • Chromatography is widely used in biochemistry for protein purification. (The method itself.)

Synonyms

• Separator: a general term for a device that separates components.
• Analyzer: a broader term for an instrument that examines composition.

Related Idioms and Phrasal Verbs

• Phrasal verb: "chromatograph out": to separate and identify components through chromatography.
  • They chromatographed out the different pigments from the leaf extract. (Separated using the instrument.)