Preparation of gas chromatography cross-linking column
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At present, for the preparation of a gas chromatograph crosslinking column, a method of crosslinking a fixing solution under the action of an initiator is often used. gc-ms vials Commonly used initiators are peroxides such as benzoyl peroxide, dicumyl peroxide, and the like. In addition, ozone can also be used as a good initiator to prepare a mixture of a peroxide initiator and a fixing solution in a certain ratio, and the column is coated by a dynamic method or a static method, and then heated at a certain temperature to decompose the initiator.
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20ml gc-ms vials
The generation of free radicals initiates crosslinking of the fixing solution. Finally, the unreacted low molecular substance is washed away with a solvent, dried and then aged.gc-ms vials