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气相色谱从五十年代发展以来,目前在国内外普遍采用,仅在石油化学工业中,据报导色谱分析已占80～95%,而在1961年仅为13%。在我们研究的碳四(C_4)烃和二甲基甲酰胺(DMF)物系的相平衡中,组成的沸点差高达150℃左右,在没有程序升温的SP——2304色谱仪上要完成组分的分析有许多困难就需要我们去克服。其中色谱固定液的选择,色谱操作条件的摸索,相对校正因子(f)的测
GC has been widely used at home and abroad since its development in the 1950s. Only in the petrochemical industry, it has been reported that chromatographic analysis has accounted for 80-95%, compared with 13% in 1961. In our study, the boiling point difference of carbon tetrachloride (C_4) hydrocarbons and dimethylformamide (DMF) systems was as high as about 150 ℃. The SP - 2304 chromatograph without programmed temperature Analysis of the points There are many difficulties we need to overcome. Among them, the choice of chromatographic fixatives, exploration of chromatographic operating conditions, the relative correction factor (f) of the test