FNR 52600 Lecture 7: Forensic Toxicology
22 Oct 2018
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Symptoms can be acute (come on quickly and stay shortly) or chronic (come on slowly and stay for extended periods) Shipment highly controlled by the department of transportation (dot) Includes diazinon (diazide), fenthione, dyfonate (fonofos) and fampur (warbex: carbamate pesticides. Includes aldicarb (temik) and carbofuran (furadan: strychnine. Interrupt blood clotting: ethylene glycol (anti-freeze, heavy metals. Luminol test: how it works: a chemical compound, known as luminol, is used in solution or sprayed onto suspected surfaces. This compound gives a strong blue fluorescence when viewed with a uv light. The luminol reacts with hematin, a substanced formed as bloodstains age, and produces a luminescence which is best observed in the dark. The luminescence lasts for several minutes and can be photographed. Aged bloodstains tend to give more intense and longer-lasting luminescence than fresh blood, and can be re-sprayed with. Luminol to be viewed again: precautions: false positives have been observed with the presence of copper salts.
