采用气质联用对甲基异丁基酮产品中的杂质进行定性，确定了使用聚乙二醇色谱柱分析甲基异丁基酮纯度及杂质含量的气相色谱条件。重复5次分析甲基异丁基酮样品，各组分分离良好，各组分相对标准偏差不大于1．31％。%The use of qualitative GC-MS impurities of methyl isobutyl ketone in products .The analysis of methyl isobutyl ketone purity and impurity content using polyethylene glycol column gas chromatography determination .The analysis was repeated 5 times of methyl isobutyl ketone samples , complete separation of the components , components of relative standard deviation is less than 1.31%.
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