Understanding the Role and sync of GC Capillary Column and its Detector

Gas chromatography is an integral part of applied chemistry. Chromatography as such is a process that is used to separate different ingredients of a mixture. The volatility and polarity of the liquids play a major role in this technique. Two types of phases are used one is the mobile phase and the other is the stationary phase. The mixture does some interactions with the surface of the material of the stationary phase and depending upon these interactions only the results differ. The stationary phase is kept in a capillary column. Although there is one more type of column available known as packed columns which are comparatively cheaper and easier to use than capillary columns if you have a complex mixture your first choice will be capillary column only. Even though these are expensive as compared to the packed columns, the resolution provided is comparatively far better as compared to packed columns. GC Capillary column has the characteristic that on the inner surface the stationary phase is coated and it is not packed in the cavity. If you want to check the individual molecular components of the sample capillary GC columns are to be used. The best way to determine the chemical constituents of the sample and to get the analytical data for the impurities is to use GC with capillary columns. 

Source: https://techsite.io/p/2592875/t/understanding-the-role-and-sync-of-gc-capillary-column-and-its-detector

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