Forensic Hair, Fibre, and Trace evidence

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8 Terms

1
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Techniques in Trace (5)

Microscopic exam

Lighting questioned particles

Scraping

Tape Lifts

Vacuuming

2
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Only mammals have true hairs made of…

Keratin

3
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Insects have…

Chitin

4
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Fibre sources (4)

Animal

Plant

Mineral

Man-made

5
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Man-Made fibres (8)

Acetate

Acrylic

Anidex

Aramid

Glass

Nylon

Metallic

Modacrylic

Novoloid

Olefin

Polyester

Rayon

Lyocal

Saran

Spandex

Vinal

Vinyon

6
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Textile fibres (4)

Filaments

Threads

Staple Fibres

Yarns

7
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Fibre characteristics (3)

Crimp

Colour

Cross-section

8
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Physical & Microscopical Characteristics (8)

Melting point

PLM

Refractive Index

Birefringence

Fluorescence

Colour

Pigment

Chemical properties