Improvement of Gas Chromatography Method for Analyzing the Purity of Dimethyl Oxalate
The DMO national standard analysis method uses capillary chromatography columns for analysis,and the blank calculation method is not mentioned during the use of the national standard method,resulting in differences between the analysis results and actual samples.During the analysis process,due to slight differences in instruments and poor component separation,DMO experienced overload.In order to effectively separate the peaks of each component's color spectrum and eliminate interference,changes were made to the column flow rate,split ratio,and injection method to effectively separate each component and eliminate the overload phenomenon caused by injection of DMO.
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