Characteristics of gas chromatograph photoionization detector
Time:2018/10/18
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Changing the discharge gas from pure helium to argon, helium or neon to change the emission curve of the discharge can respond to the atomic and diatomic emission of the rare gas added, and the response is limited only to the ionization potential.
A sample compound that is less than or equal to the energy of the gas to be incorporated. In this structure, the gas chromatograph detector is mainly used as a special photoionization test for the selective determination of esters and aromatic compounds, and of course other types of samples can be determined. Since the gas chromatograph detector does not require a light source or window, its sensitivity does not change over time.
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