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一氧化碳加氢制取低碳混合醇的反应产物以水相为主,带有少量油相,两相主要组分相同,而油相的杂质多,含量大,故选择油相为检测对象,用同样的方法测定了水相组成。由于产物沸程宽,组成复杂,化合物类型多,而且其极性和含量相差较大,因而已发表的文献都采取先予处理或衍生化后再检测的方法,这不仅操作复杂,而且对含量低的组分检测不利。本文采用色-质法、选择色谱分离柱、特征碎片离子的质量色谱及关联碎片离子的出现时间和组分碳数等多种手段,测定出油相产物中123个组分,水相中60个组分。
The reaction product of carbon monoxide hydrogenation to produce low-carbon mixed alcohol is mainly water phase, with a small amount of oil phase, the main components of the two phases are the same, while the oil phase has many impurities and large contents. Therefore, the oil phase is selected as the detection object The same method was used to determine the aqueous phase composition. Because of wide product boiling range, complex composition, many types of compounds, and great differences in polarities and contents, the published literature adopts the method of first treating or derivatizing before re-testing. This not only complicates the operation, Low component detection is detrimental. In this paper, the determination of 123 components in the oil phase product, 60 in the aqueous phase, using chromatographic separation column, mass chromatographic separation of characteristic fragment ions, appearance time of associated fragment ions and carbon number of the components, A component.