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Fiber Examination

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chichi's version from 2016-12-05 17:44

Section

Question Answer
Single fibres; fibre fragments; pilings; small fibre wadstextile trace evidence
threads; cords, ropes; clothing; household and home textiles; technical textilestextile end-products
damage; physical fit; imprints; knotstextile pattern traces
hand retrieval (tweezers); tape lift; vacuuming; brushing/combing; scraping; shaking;collecting fiber evidence
animal; vegetable; mineralnatural fibers
silk; wool; hairanimal fibers
seed; bast; leafvegetable fibers
synthetic polymer; natural polymer; (carbon, textile glass, metal, ceramic)man-made fibers
stereomicroscope; compound microscope; comparision microscopemicroscopic fiber examination
dyes, processing; SEM-EDX, solubility testingchemical fiber examination
polarized light microscope; fluorescence microscopeoptical fiber examination
Modification RatioMR = R/r
S Twist testclockwise
Z Twist testcounterclockwise
Additive (blue)s twist
Subtractive (yellow)z twist
memorize