拉曼光谱与电阻测量技术联用鉴别签字笔墨水种类的研究  

Application of Raman Spectroscopy and Electric Resistance Measurement Technology to Identify the Black Gel Pen Ink

作　　者：韩伟[1] 李江春[2] 谭瑞国 HAN Wei;LI Jiangchun;TAN Ruiguo(Forensic science department of Yantai municipal public security of Yantai,Shandong 264003,China;Hubei university of police,Wuhan 430034,China)

机构地区：[1]山东烟台市公安局刑事科学研究所,山东烟台264003 [2]湖北警官学院侦查系,武汉430034

出　　处：《光散射学报》2018年第4期344-350,共7页The Journal of Light Scattering

基　　金：山东省2017年重点研发计划项目(2017GSF20110)

摘　　要：采用显微拉曼光谱和电阻测量技术,选择30支不同品牌和型号的黑色签字笔书写的墨迹样本,在分析所采集的拉曼谱图和电阻数据的基础上,对墨水的成分属性进行综合鉴别。结果表明,两种技术方法之间具有互证性和互补性,可以为黑色签字笔的种属鉴别提供一种准确、无损、便捷的新思路,适用于法庭科学添改文件鉴别,增强物证的证据效力。Applying Raman spectroscopy and electric resistance measurement technology to identify the ingredients and properties of30black gel pen ink sample of different brands and models,based on the collected data of Raman spectroscopy and electric resistance measurement technology.The results show that these two measurements are complementary and mutual proved,providing an accurate and handy method of black gel pen identification.It can be used to distinguish the questioned documents in forensic science,enhancing the validity of evidence.

关 键 词：拉曼光谱技术 电阻测量技术 签字笔 法庭科学 

分 类 号：D918.92[政治法律—法学]