Forensic Investigations of Expolsions Explosions.

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FORENSIC INVESTIGATION OF EXPLOSIONS

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Presentation transcript:

Forensic Investigations of Expolsions Explosions

Homework Research the Oklahoma City Bombing. Follow the link on the page. Comment on the following. 1. Who were the perpetrators 2. Who were the victims. 3. How were they apprehended. 4. What were the explosives. 5. What is your analysis.

Explosion An explosion is caused by combustion and a creation of heat and an extremely rapid expansion of gases. Chemical Mechanical

Oxidizing Agent A substance that supplies oxygen to a chemical reaction. Black powder Nitroglycerin

Detonation An extremely rapid oxidation reaction accomplished be a violent disruptive effect and an intense high speed shock wave.

Black Powder A mixture of materials that make a low explosive. Potassium nitrate 75% Carbon 15% Sulfur 10%

Safety Fuse A cord containing a core of black powder used to a carry a flame at a uniform rate to an explosive charge.

Smokeless Powder Single-Base An explosive consisting of nitrocellulose. Double-Base An explosive consisting of a mixture of nitrocellulose and nitroglycerin

Deflagration A very rapid oxidation reaction accompanied by the generation of a low-intensity pressure wave that can disrupt the surroundings.

Deflagration

Low Explosive An explosive with a velocity of detonation less than 1,000 meters per second.

High Explosive An explosive with a velocity of detonation greater than 1,00 meters per second