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利用碱催化袭解气相色谱法,采用优化的实验条件,以纤维裂解所得色谱图中的强吸收峰的保留时间进行比对检验,分析了同种类,不同厂家、牌号、产地的29种含有酰胺键的纤维。此方法能对不同厂家或同厂家,但牌号不同的同色、同类纤维进行区分鉴别,还考查了实验的重现性及最小检出量。它是一种灵敏、可靠、快速、有效、便于操作的分析方法,适用于基层办案,为同类纤维的鉴定提供了一种切实可行的方法。
By using base catalysis and gas chromatography, the optimized experimental conditions were compared with the retention time of the strong absorption peak in the fiber chromatogram obtained from the fiber cleavage test, and the results showed that 29 kinds of amides with the same kind, different manufacturers, The key fiber. This method can distinguish between different manufacturers or with the same manufacturer, but different brands of the same color, similar fibers, but also test the reproducibility of the experiment and the minimum detection volume. It is a sensitive, reliable, rapid, effective and easy-to-operate analytical method, which is suitable for grassroots handling and provides a practical method for the identification of similar fibers.