202-DDP-05 Lecture Notes - Lecture 1: Cellulose Acetate, Nicotinic Acetylcholine Receptor, Optical Microscope
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History: marsh arsenic test, bertillon bertillonage, located principle if 2 things touch. , there will be an exchange: frye & daubert (cid:8869) frye : expert (cid:8869) daubert : can question expert. May have an oxide coating good conductor chemical properties burns in air reacts w/ hcl reacts w/ hc, reacts w/ agt salts to make bluish copper salts. , malleable & ductile manes aye,,ow precipitate w/ na t zn. Cr brittle shiny metal reacts w/ hcl hard shiny metal reacts w/ hcl. Fabric many fibers a group: probative value : ability to smtg material. Oh to crime crime scene protocol: interview, examine, document, process. Medulla continuous intermittent / interrupted fragmented , absent. Forensic toxicologist : chemicals in bodily forensic chemist : chemicals fluids. Uquenois - levine reagent : presumptive test for marijuana , purple baton layer , very dark purple top layer. Infrared spectroscopy to be ir active have dipole. O - h 3400 -2500 ( broad)
