Chapter Eighteen Part II – Explosive Investigations FRSC 8104 Criminalistics II Professor Bensley
Preview:
Citation preview
- Slide 1
- Chapter Eighteen Part II Explosive Investigations FRSC 8104
Criminalistics II Professor Bensley
- Slide 2
- FRSC 8104 Chapter 18 Objectives After studying this chapter,
the student should be able to: Describe the various types of
explosives and explosions Understand how explosives evidence is
analyzed
- Slide 3
- FRSC 8104 Chapter 18 Outline I.Introduction A.Definition of an
explosion Anatomy of an explosion
- Slide 4
- Anatomy of an Explosion Video: Anatomy of an Explosion - The
ShockwaveAnatomy of an Explosion - The Shockwave
- Slide 5
- FRSC 8104 Chapter 18 Outline II.Explosive Classification A.Low
Explosives (Propellants) 1.Speed of deflagration (burning) 2.Black
Powder (Gun powder)
- Slide 6
- FRSC 8104 Chapter 18 Outline 3.Smokeless Powder Black and
smokeless powders. (a) ''perforated disc'' smokeless powder. (b)
"tube" smokeless powder. (c) "cut square" smokeless powder. (d)
"disc" smokeless powder. (e) Grade Fg black powder. (f) Grade FFFg
(3Fg) black powder. Photographs a to d courtesy of the Federal
Bureau of Investigation Chemistry Unit's powder morphology
database. Photographs e and f courtesy of Rho Sigma Associates,
Inc.
- Slide 7
- FRSC 8104 Chapter 18 Outline B.High Explosives 1.Speed of
detonation 2.2,4,6-Trinitrotoluene 3.RDX
- Slide 8
- FRSC 8104 Chapter 18 Outline 4.Nitroglycerin
- Slide 9
- FRSC 8104 Chapter 18 Outline 5.Pentaerythritol Tetranitrate
Northwest Flight 253 80 grams of PETN (12/25/09) What would have
happened And another one
- Slide 10
- FRSC 8104 Chapter 18 Outline 6.Ethylene Glycol Dinitrate
7.Ammonium Nitrate (ANFO)
- Slide 11
- FRSC 8104 Chapter 18 Outline 8.Military Explosives (C-4) USS
Cole (10/12/2000)
- Slide 12
- FRSC 8104 Chapter 18 Outline C.Initiators (Primary Explosives
Blasting Caps)
- Slide 13
- FRSC 8104 Chapter 18 Outline III.Laboratory Analysis
A.Chromatography 1.TLC 2.GC (GC/MS and GC/FTIR) 3.HPLC
- Slide 14
- FRSC 8104 Chapter 18 Outline B.IR C.RDX (X-ray Diffraction not
to be confused with RDX the explosive!)
- Slide 15
- FRSC 8104 Chapter 18 Outline D.Spot Tests (Field Tests
included)
- Slide 16
- Rose Apartments 11/11/12
- Slide 17
- Slide 18
- Slide 19
- Slide 20
- Slide 21