Volume 46 Issue 10
Nov.  2017
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Jiang Hong, Fan Ye, Wang Jiageng, Chen Yutai, Guo Peng, Man Ji, Yang Minnan, Zhong Yu. Study on the test of rubber soles by X-Ray fluorescent spectrum[J]. Infrared and Laser Engineering, 2017, 46(10): 1023002-1023002(6). doi: 10.3788/IRLA201791.1023002
Citation: Jiang Hong, Fan Ye, Wang Jiageng, Chen Yutai, Guo Peng, Man Ji, Yang Minnan, Zhong Yu. Study on the test of rubber soles by X-Ray fluorescent spectrum[J]. Infrared and Laser Engineering, 2017, 46(10): 1023002-1023002(6). doi: 10.3788/IRLA201791.1023002

Study on the test of rubber soles by X-Ray fluorescent spectrum

doi: 10.3788/IRLA201791.1023002
  • Received Date: 2017-02-10
  • Rev Recd Date: 2017-03-20
  • Publish Date: 2017-10-25
  • A convenient and rapid, sensitive and accurate, and non-destructive method was established to analyze rubber sole. It provides clues, indicates investigation direction for the detection, and provides the scientific basis for proving the crime. Rubber sole samples was tested by using X-ray energy dispersive spectroscopy (EDS) to provide scientific basis for verifying crime. The test parameters were set as the following:voltage was 45 kV, test current was 40 A, power was 1.8 kW, the size of sample was 1.5 cm1.5 cm, and testing time was set as 60 s. The qualitative and semi-quantitative analysis of inorganic elements in 40 different rubber sole samples of different brands and different types was carried out, and the reproducibility of the method was examined. At the same time, the rubber sole samples were classified using SPSS clustering analysis-center of gravity method as definition of distance between the classes. Consequently, the method has the characteristics of accurate and reliable result, good reproducibility, no need for sample preparation and non-destructive testing. It can be used for public security organs to resolve the cases.
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    [2] Wang Zhiguo, Wang Conghui, Sun Suqin, et al. On the examination of rubber with Fourier transform Raman spectroscopy[J]. Journal of Chinese People's Public Security University(Nature Science Edition), 2002(3):14-17. (in Chinese)王志国, 汪聪慧, 孙素琴, 等. 橡胶的傅里叶变换拉曼光谱法检验[J]. 公安大学学报(自然科学版), 2002(3):14-17.
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    [7] Tao Guangyi. X-Ray fluorescence spectrum analysis[J].Chinese Journal of Analysis Laboratory, 1995, 28(3):94-100. (in Chinese)陶光仪. X射线荧光光谱分析[J]. 分析试验室, 1995, 28(3):94-100.
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Study on the test of rubber soles by X-Ray fluorescent spectrum

doi: 10.3788/IRLA201791.1023002
  • 1. School of Forensic Science,People's Public Security University of China,Beijing 100038,China;
  • 2. Baiyun District Branch of Guangzhou Municipal Public Security Bureau,Guangzhou 510420,China;
  • 3. Criminal Investigation Detachment,Fengtai District Branch of Beijing Municipal Public Security Bureau,Beijing 100071,China;
  • 4. Criminal Investigation Bureau of Public Security of Tianjin,Tianjin 300193,China;
  • 5. Beijing Huayi Hongsheng Technology Limited Company,Beijing 100123,China

Abstract: A convenient and rapid, sensitive and accurate, and non-destructive method was established to analyze rubber sole. It provides clues, indicates investigation direction for the detection, and provides the scientific basis for proving the crime. Rubber sole samples was tested by using X-ray energy dispersive spectroscopy (EDS) to provide scientific basis for verifying crime. The test parameters were set as the following:voltage was 45 kV, test current was 40 A, power was 1.8 kW, the size of sample was 1.5 cm1.5 cm, and testing time was set as 60 s. The qualitative and semi-quantitative analysis of inorganic elements in 40 different rubber sole samples of different brands and different types was carried out, and the reproducibility of the method was examined. At the same time, the rubber sole samples were classified using SPSS clustering analysis-center of gravity method as definition of distance between the classes. Consequently, the method has the characteristics of accurate and reliable result, good reproducibility, no need for sample preparation and non-destructive testing. It can be used for public security organs to resolve the cases.

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