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CO加H_2合成低碳醇的产物很复杂,除醇外,还有其他含氧化合物。产物沸点范围较宽。在色谱分析中,通常采用程序升温法。由于设备限制,我们改用恒温法,以1,2,3,三(氰基乙氧基)丙烷为固定液的填充色谱柱。该方法具有操作简便,色谱柱分离效率高,寿命长等优点。 (一)仪器和试剂 100型气相层析仪(上海);SIGMA15色谱数据处理机(美国)。 C_1—C_6醇均为色谱标准样。
The product of CO plus H 2 synthesis of lower alcohols is complex, with the exception of alcohols, as well as other oxygenates. Product boiling range wider. In chromatographic analysis, temperature-programmed methods are commonly used. Due to equipment limitations, we use a constant temperature method, to 1,2,3, tris (cyanoethoxy) propane fixed liquid packed column. The method has the advantages of simple operation, high column separation efficiency, long service life and the like. (A) Instruments and reagents 100 gas chromatography (Shanghai); SIGMA15 chromatography data processor (United States). C_1-C_6 alcohols are chromatographic standards.