FORENSIC SCIENCE PAPER No.5: Forensic Chemistry and

108837_104743_lm_4743_lm_32lm.pdf

FORENSIC SCIENCE

PAPER No.5: Forensic Chemistry and Explosives

MODULE No.31 : Explosives: Introduction and Classification

Weblinks

http://ofbindia.gov.in/products/data/ammunition/ex/2.htm http://www.slideshare.net/smhhs/explosives-andblasting http://www.timetoast.com/timelines/history-of-explosives

Suggested Readings

q Forensic Science in Criminal Investigation & Trials by Dr. B. R. Sharma q Explosives by Samuel Delvin q Working procedure manual of Explosives by Directorate of Forensic Science.

FORENSIC SCIENCE

PAPER No.5: Forensic Chemistry and Explosives

MODULE No.31 : Explosives: Introduction and Classification

Interesting Facts

q Lead azide is highly sensitive explosive and hence stored under water in insulated rubber containers. q About 1885 Paul Vieille invented a smokeless powder known as poudre B and was made from nitrocotton and ether-alcohol. q Just in the USA and Canada, 6 Billion pounds of explosives and 75 million detonators are used per year. q The first powder mill in the US was constructed in Milton, Mass. q Scientist recommends storing picric acid in bottles under a layer of water because of the sensitivity of dry picric acid towards shock and friction. q In the early 20th century, picric acid was stocked in pharmacies as an antiseptic and as a treatment for burns, malaria, herpes, and smallpox. q Picric Acid was most notably used for the treatment of burns suffered by victims of the Hindenburg disaster in 1937.

FORENSIC SCIENCE

PAPER No.5: Forensic Chemistry and Explosives

MODULE No.31 : Explosives: Introduction and Classification

Time-Lines

Timelines Image Description

1875 Gelignite was invented in 1875 by Alfred

Nobel.

1242

In 1242 English Friar Roger Bacon

published the formula for gunpowder.