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Hair & Fiber
| Question | Answer |
|---|---|
| What fibers are mineral? | Glass, asbestos. |
| What fibers are from animals? | silk, wool, fur. |
| What fibers are Veggie? | cotton, linen, hemp. |
| What fibers are synthetic? | rayon, nylon, acetate. |
| Cortex | the largest portion of the shaft giving you the hair color that you have. |
| Cuticle | The layer of cells that cover the surface of the shaft. |
| Medulla | cells that fun down the center of the cortex like a canal. Central core of hair. |
| Tricholody | The study of hairs. |
| Coronal | crownlike |
| Spinous | Petal like. |
| Imbricate | Flattened |
| Medullary Index | Width of hair relative to width of medulla |
| Human Medullary index | around 0.3 |
| Animal medullary index | greater than 0.5 |
| burn tests? | residues, beading, smoke, characteristic odors. |
| Solvent/ Solubility test? | HCl, NaOH, bleach, acetone, dry cleaning solvent. |
| Stain test? | will blood stain the cloth? Will blood bead off? Is this lipstick. |
| Microscopic Tests? | Weave, braids, folds, twists, translucency, fraying. |
| Two most common collection methods? | Tape and Vacumming methods. |