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首页> 外文期刊>Surface and Interface Analysis: SIA: An International Journal Devoted to the Development and Application of Techniques for the Analysis of Surfaces, Interfaces and Thin Films >Microchemical and micromorphological features of gunshot residue observed by combined use of AFM, SA-XPS and SEM plus EDS
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Microchemical and micromorphological features of gunshot residue observed by combined use of AFM, SA-XPS and SEM plus EDS

机译：结合使用AFM，SA-XPS和SEM加EDS观察到的枪击残留物的微化学和微观形态特征

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摘要

Microchemical and micromorphological analytical methods have been used by law enforcement agencies to ascertain whether or not an individual has been involved recently in a firearm shooting by determining the presence of gunshot residue (GSR). In the present work, the microchemical and micromorphological features of the GSR particles deposited on the bullet and on the firing hands, collected using double-sided tape, have been studied by means of the combined use of scanning electron microscopy + energy-dispersive spectroscopy (SEM + EDS), atomic force microscopy (AIM) and selected-area x-ray photoelectron spectroscopy (SA-XPS). The results indicate that this advanced approach could disclose new micromorphological and microchemical features that could be useful for considerably increasing the confidence level of such determination. Copyright (C) 2002 John Wiley Sons, Ltd. [References: 10]
机译：执法机构已使用微化学和微观形态分析方法通过确定枪支残留物（GSR）的存在来确定个人最近是否参与了枪支射击。在目前的工作中，通过结合使用扫描电子显微镜+能量色散光谱法研究了用双面胶带收集的沉积在子弹和射击手上的GSR颗粒的微观化学和微观形态特征（ SEM + EDS），原子力显微镜（AIM）和选定区域X射线光电子能谱（SA-XPS）。结果表明，这种先进的方法可以揭示新的微观形态和微化学特征，这些特征可能有助于大大提高此类测定的置信度。版权所有（C）2002 John Wiley Sons，Ltd. [参考：10]

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