Dimethyl oxalate(DMO)has a melting point of 54℃,and it is prone to solidification at the ambi-ent temperature.By analyzing the method of determining the component content of DMO products,this paper discusses the different pretreatment ways of DMO samples,so as to determine the optimal pretreatment meth-od and the quantitative analysis method of component content.The method is simple and easy to use,with high accuracy and precision,and meets the production requirements.
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