热分析技术在法庭科学领域的应用研究进展  

Research progress on the application of thermal analysis technology in forensic science

作　　者：付钧泽 姜红 孙振文[3] 杨蕾[1] FU Junze;JIANG Hong;SUN Zhenwen;YANG Lei(Institute of Criminal Investigation,People’s Public Security University of China,Beijing 100038,China;Criminal Investigation Department,Gansu Police Vocational College,Lanzhou 730046,China;Institute of Forensic Science,Ministry of Public Security,Beijing 100038,China)

机构地区：[1]中国人民公安大学侦查学院,北京100038 [2]甘肃警察职业学院刑事侦查系,甘肃兰州730046 [3]公安部物证鉴定中心,北京100038

出　　处：《中国测试》2023年第7期1-8,共8页China Measurement & Test

基　　金：公安理论及软科学研究计划项目(2019LLYJWZZX073);公安部科技强警基础工作专项项目(2020GABJC17)。

摘　　要：热分析是一种表征物质热性能随温度变化的重要手段,其中应用最广的是差热分析法、热重分析法和差示扫描量热法。在纤维、泥土、塑料、涂料等法庭科学领域的物证比对检验和定性定量分析中,三种常见热分析方法应用也十分广泛。该文分析目前热分析技术在法庭科学领域的应用现状及存在的重现性较差等问题的原因,并展望热分析联用技术在法庭科学物证检验领域的应用前景,对于公安机关基层办案具有一定借鉴作用。Thermal analysis is an important means to characterize the change of thermal properties with temperature.Among them,differential thermal analysis,thermogravimetric analysis and differential scanning calorimetry are the most widely used.In the comparative inspection and qualitative and quantitative analysis of physical evidence in the field of forensic science such as fiber,soil,plastic and coating,the three common thermal analysis methods are also widely used.This paper analyzes the current application status of thermal analysis technology in the field of forensic science and the reasons for the poor reproducibility,and looks forward to the application prospect of thermal analysis combined technology in the field of forensic scientific physical evidence inspection.It has a certain guiding and reference function for public security organs to handle cases at the grass-roots level.

关 键 词：热分析 法庭科学 微量物证 比对检验 成分分析 

分 类 号：D919.2[医药卫生—法医学]