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硝化甘油(NG)、二硝基甲苯(2,6-DNT和2,4-DNT)、三硝基甲苯(α-TNT)及二甲基二苯脲(C)是火药中最常见的组分。这些组分可用气相色谱法(GC)进行分离测定,但因NG的热稳定性较差,结果的精确度较差。对上述组分较有效的分析方法是高效液相色谱法(HPLC),因此法一般是在室温下进行,可避免NG等爆炸性组分的热分解。 HPLC分析火药组分在国内外早有报道。但国内做的工作不多。近年来我院开始应用HPLC分析火炸药组分。
Nitroglycerin (NG), dinitrotoluene (2,6-DNT and 2,4-DNT), trinitrotoluene (α-TNT) and dimethyldiurea (C) were the most common groups in gunpowder Minute. These components can be separated and determined by gas chromatography (GC), but the thermal stability of NG is poor, and the accuracy of the results is poor. The more effective analytical method for the above components is high performance liquid chromatography (HPLC), so the method is generally carried out at room temperature, to avoid thermal decomposition of explosive components such as NG. HPLC analysis of powder components has long been reported at home and abroad. However, there are not many domestic jobs. In recent years, our hospital began to use HPLC analysis of explosives components.