Preparation method of gas chromatographic column and chromatographic instrument device with gas chromatographic column
A gas chromatographic column and stationary phase technology, applied in the field of gas chromatography, can solve the problems of high price, threat to human health, separation and detection of trans fatty acid isomers, etc., and achieve the effect of reducing content and ensuring human health
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[0049] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, and preferred embodiments described herein are intended to illustrate and explain the present invention, and is not intended to limit the invention.
[0050] like figure 1 Shown embodiment the present invention provides a method for producing a gas chromatography column, comprising the steps of:
[0051] S100 cyanopropyl phenyl prepared comprising 45-55% and the mole ratio of A mole ratio of 55-45% of the stationary phase cyanopropyl phenyl:
[0052]
[0053] S200 capillary column inner wall is treated to increase the surface roughness;
[0054] S300 dissolved in dichloromethane cyanopropyl phenyl stationary phase stationary phase was prepared, using the dynamic coating method cyanogen long-propylphenyl stationary phase coating solution in the inner wall of fused silica capillary column, allowed to stand the first set, the inert gas is then stationary ph...
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