Forensics: Fiber Analysis
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PRESENTATION OUTLINE
BACKGROUND
- Fibers are everywhere
- Manmade vs. natural
- Forensics: determining the origin to help solve the crime
Photo by Helkramu
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FIBER EXAMINATION IN FORENSIC SCIENCE
- Fibers can provide crucial evidence
- Classified as trace evidence
- 1:1 Serial Taping
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FIBER EXAMINATION IN FORENSIC SCIENCE
- Foreign fibers are recovered and taken to the lab for examination
- Placed under a spectrometer
CHEMISTRY IN FIBER ANALYSIS
- Chemicals are used for the following:
- Analytical reagents
- Fiber dyeing/dye extraction
- Fluorescent brighteners
- Acrylic fiber weathering
- Capillary electrophoresis
- LC/MS
- UPLC/UV-visible analysis
