| 红外光谱相似的汽车中涂漆的鉴别分析 |
| |
| 引用本文： | 孙其然,罗仪文,徐彻. 红外光谱相似的汽车中涂漆的鉴别分析[J]. 刑事技术, 2014, 0(1): 44-46 |
| |
| 作者姓名： | 孙其然 罗仪文 徐彻 |
| |
| 作者单位： | 司法部司法鉴定科学技术研究所,刑事技术研究室,上海200063 |
| |
| 摘 要： | 目的 应用裂解气相色谱-质谱法结合聚类分析,鉴别9个红外光谱相似的汽车中涂漆样品.方法 从漆片中分离、提取出中涂漆样品,用裂解气相色谱-质谱检测并结合红外光谱检测,结果采用SPSS 19统计软件（美国IBM公司）对裂解数据进行聚类分析.结果 裂解气相色谱质谱的检测结果经聚类分析处理,9个中涂漆样品按其裂解图谱的差异可分为4类;而结合红外光谱的检验结果,最终可将5类中涂漆样品一一区分.结论 在汽车中涂漆的鉴别中,裂解气相色谱-质谱检测是对红外光谱检测的重要补充,能够有效地提高对中涂漆的鉴别能力.
|
| 关 键 词： | 红外光谱 裂解气相色谱-质谱 聚类分析 微量物证 汽车油漆 |
Discrimination of automobile prime coats by using Py-GC/MS |
| |
| SUN Qi-ran,LUO Yi-wen,XU Che. Discrimination of automobile prime coats by using Py-GC/MS[J]. Forensic Science and Technology, 2014, 0(1): 44-46 |
| |
| Authors: | SUN Qi-ran LUO Yi-wen XU Che |
| |
| Affiliation: | (Institute of Forensic Science, Ministry of Justice, Shanghai 200063, China) |
| |
| Abstract: | Automobile prime coat samples which have similar infrared spectra were analyzed by pyrolysis gas chromatogra phy-mass spectrometry （Py C,C/MS） and the data were analyzed by software SPSS 19. The results showed that nine prime coat samples were categorized into 4 groups by Cluster Analysis, and combined with the results of IR, all nine samples were discrimina ted. |
| |
| Keywords: | infrared spectrometry pyrolysis gas chromatography-mass spectrometry cluster analysis trace evidence au tomobile paint |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
