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为测定含能化合物2,4-二硝基苯甲醚(DNAN)样品中的痕量离子,用离子色谱法对DNAN样品中的离子进行了定性和定量分析。结果表明,用该方法能够检测出样品中的8种痕量离子Li+、Na+、NH+4、Mg2+、Ca2+、Cl-、NO-3、SO2-4,质量浓度分别为13.234 8、70.408 0、15.327 0、83.265 9、154.158 0、156.474 0、21.654 4、210.310 0μg/mL。该方法具有快速检测和定量可靠的优点。
To determine trace amounts of ions in the energetic compound 2,4-dinitroanisole (DNAN) sample, ions in the DNAN sample were qualitatively and quantitatively analyzed by ion chromatography. The results showed that 8 kinds of trace ions Li +, Na +, NH + 4, Mg2 +, Ca2 +, Cl-, NO-3 and SO2-4 can be detected by this method with mass concentrations of 13.234 8 and 70.408 0, 15.327 0,83.265 9,154.158 0,156.474 0,21.654 4,210.310 0 μg / mL. The method has the advantages of rapid detection and quantitative reliability.