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| FTIR Analysis and Applied Research on Trace Fiber Evidence |
| ZHAO Suyan
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| Center of Experiment and Technology, Jilin Police College,Changchun 130117,China |
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Abstract Fiber can provide strong clues and supportive evidence for relevant cases of criminal offence,having been extensively studied in forensic investigations.This experiment tested different kinds of fiber by FTIR-ATR method.According to different absorption peaks of infrared spectra, we may differentiate fbers.The method is a nondestructive analytical technique, which needs a small amount of sample and rapid testing, has good repeatability, therefore can be used to characterize fibers from crime scene.
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Published: 20 December 2025
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