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The most time-time capillary column used in meteorological chromatography, for the peak order of the sample in the capillary column,
One: type of column packing
Two: the characteristics of the sample itself
For example, the packing of the capillary column is divided into a non-polar column, a weakly polar column, a medium polarity column and a strong polar column. For a non-polar column, the peak order is mainly determined by the boiling point (molecular weight) of the sample itself, and the boiling point is higher. High, the slower the peak. In the strong polarity column, it is also affected by the polarity of the sample, and the higher the polarity, the slower the peak.
Regardless of the capillary column used, for most samples, the boiling point of the sample is a decisive factor influencing the peak order. Second, consider other factors such as polarity and temperature program gas chromatography vials.
This is the end of the introduction of What is the peak order of the sample in the gas chromatographic analysis. I hope it can help you.
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