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