气相色谱法分析火灾环境残留物中的汽油/煤油/柴油

Analysis of Gasoline, Kerosene and Diesel Fuel in Fire Environment Residue by Gas Chromatography

摘要: 为定性和定量火灾环境残留物中的汽油、煤油、柴油。采用气相色谱分析方法，把火灾环境残留物提取液与汽油、煤油、柴油进行对照分析，通过主要特征峰的保留时间对汽油、煤油、柴油进行定性。汽油、煤油、柴油的特征组分含量与其峰面积的大小成正比，通过特征峰面积归一化法对汽油、煤油、柴油进行定量。汽油、煤油、柴油的最低检出限分别为100 μL/L、100 μL/L、200 μL/L。中石化93号汽油的体积浓度与5个特征峰面积总值的回归方程为Y = 0.0458X + 0.602，相关系数为1；中石化煤油的体积浓度与4个特征峰面积总值的回归方程为Y = 0.0419X − 2.2658，相关系数为0.9999；中石化0号柴油的体积浓度与11个特征峰面积总值的回归方程为Y = 0.0398X − 7.7023，相关系数为0.9982。

Abstract: To determine qualitative and quantitative analysis of gasoline, kerosene and diesel in fire resi-dues, extracting liquid of fire residue was compared with gasoline, kerosene and diesel by gas chromatography analysis, the gasoline, kerosene and diesel determined qualitatively by the re-tention time of the main characteristic peaks. The content of the characteristic components of gasoline, kerosene and diesel was proportional to the size of its peak area. The gasoline, kerosene and diesel were determined quantitatively by the normalization of the characteristic peak area. The minimum detection limit of gasoline, kerosene and diesel, respectively was 100 μL/L, 100 μL/L, 200 μL/L. The regression equation of Sinopec No. 93 gasoline volume concentration and the total value of five characteristics peak area was Y = 0.0458X + 0.602, the correlation coefficient was 1. The regression equation of Sinopec kerosene volume concentration and the total value of four characteristics peak area was Y = 0.0419X − 2.2658, the correlation coefficient was 0.9999. The regression equation of Sinopec No. 0 diesel fuel volume concentration and the total value of eleven characteristics peak area was Y = 0.0398X − 7.7023, the correlation coefficient was 0.9982.