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对苯产品中的烃类杂质含量与苯的馏程之间的相关性进行研究。结果表明 ,当苯中烃类杂质含量在一定范围内时 ,根据毛细管色谱法对苯中烃类的分析结果 ,可以准确地反映出苯馏程是否合格 ,从而提出了以苯中烃类杂质含量的测定取代苯馏程的测定。使苯馏程分析由经典的蒸馏法改为毛细管色谱分析法 ,并在实际生产分析中得以实施应用
The correlation between the hydrocarbon impurity content in benzene products and the boiling range of benzene was studied. The results show that when the content of hydrocarbons in benzene is within a certain range, the results of analysis of hydrocarbons in benzene by capillary chromatography can accurately reflect whether the benzene range is qualified or not, Determination of substituted benzene distillation range determination. Benzene distillation range from the classic distillation method to change to capillary chromatography, and in the actual production analysis to be applied