Gas chromatography system

What is the working principle of gas chromatography?

Principle of gas chromatography: The sample solution injected into the instrument enters a gas stream which transports the sample into a separation tube known as the "column." (Helium or nitrogen is used as the so-called carrier gas.) The various components are separated inside the column.

A chromatography system includes all the components needed for separation (pictures of components of HPLC and GC: 

  • column/ frits

  • flow cell

  • pump

  • detector

  • collector

  • software

These complete systems are used  for: Gas chromatography (GC), High Performance Liquid Chromatography (HPLC) and Liquid Chromatography (LC) and Mass Spectrophotometers (LC/MS).

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