FIS 201- Lecture 30

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Forensic Science

Last updated 9:24 PM on 12/5/22
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8 Terms

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The Foudrinier Machine
Cellulose fibers pressing into thin sheets
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Paper Physical Characteristics
Size, Inclusions, Texture
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Ink
Absorbed into substrate
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Pigment
Binder holds materials together and helps them stick to the top of the substrate
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Toner
Carbon powder & polymer beads
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Pencil Lead
Graphite & clay
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Thin Layer chromatography
Separating ink & dye components with a solvent
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Erasures
Disruption under UV