射击残留物的扫描电镜能谱特征检验  

Inspection of the scanning electron microscopy and energy spectrum characteristics for shooting residues

作　　者：雷平[1] LEI Ping(Analysis and Testing Center/Identification for Evidence of Guizhou Normal University,Guiyang 550001,China)

机构地区：[1]贵州师范大学分析测试中心/物证司法鉴定所,贵阳550001

出　　处：《实验室检测》2024年第10期77-81,共5页Laboratory Testing

摘　　要：目的本文针对《GA/T 1522—2018法庭科学射击残留物检验扫描电子显微镜/X射线能谱法》行业标准对结果的分析评价只给出了几种参考的特征形态,没有可供参考的能谱图等参考性有限的问题,通过模拟实验,为射击残留物的检验提供切实可行的参考。方法以54式手枪射击7.62毫米51式子弹为例,模拟裸体射击人体和着衣射击人体的射击实验,详细说明射击残留物的采集、制备以及检验步骤、典型的射击残留形态和成分特征。结果通过模拟实验,得出了54式手枪射击7.62毫米51式子弹产生的射击残留物扫描电镜形态和能谱特征。结论每种枪弹组合,都有其特定的扫描电镜形态和能谱特征。Objective In this paper,aiming at the shortcomings of the industry standard of GA/T 1522-2018 Forensic Science Shooting Residue Inspection Scanning Electron Microscopy/X-Ray Spectroscopy,which only provides a few reference characteristic forms and has limited reference such as no reference energy spectrum diagram.Through simulation experiments,a practical reference is provided for the inspection of shooting residues.Methods Taking the shooting of 7.62 mm Type 51 bullet with Type 54 pistol as an example,shooting experiments of naked and clothed human bodies were simulated,and the collection,preparation and inspection steps of shooting residues,typical morphology and composition characteristics of shooting residues were explained in detail.Results Through simulation experiments,the scanning electron microscope morphology and energy spectrum characteristics of the shooting residues produced by the Type 54 pistol shooting the 7.62 mm Type 51 bullet were obtained.Conclusion Each gun and bullet combination has its own specific SEM morphology and energy spectrum characteristics.

关 键 词：射击残留物 扫描电镜 能谱 形态特征 能谱特征 

分 类 号：TN16[电子电信—物理电子学] D918.9[政治法律—法学]