CUTM 2314 FORENSIC CHEMISTRY
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CUTM 2314 FORENSIC CHEMISTRY
Course Credit: 3+2+0
Course Objective:
After studying this paper the students will know –
Course Syllabus:
Unit I: Petroleum and Petroleum Products
Distillation and fractionation of petroleum. Commercial uses of different petroleum fractions. Analysis of petroleum products. Analysis of traces of petroleum products in forensic exhibits. Comparison of petroleum products. Adulteration of petroleum products.
Unit II: Arson
Chemistry of fire. Conditions for fire. Fire scene patterns. Location of point of ignition. Recognition of type of fire. Searching the fire scene. Collection and preservation of arson evidence. Analysis of fire debris. Analysis of ignitable liquid residue. Post-flashover burning. Scientific investigation and evaluation of clue materials. Information from smoke staining.
Unit III: Explosives
Introduction, Classification of explosives – low explosives and high explosives. Homemade explosives. Military explosives. Blasting agents. Synthesis and characteristics of picric acid, TNT, PETN and RDX. Explosion process. Blast waves. Bomb scene management. Searching the scene of explosion. Mechanism of explosion. Post blast residue collection and analysis. Blast injuries.
Unit IV: Narcotic Drugs & Psychotropic Substances
Definition of narcotics, drugs and psychotropic substances. Broad classification – Narcotics, stimulants, depressants and hallucinogens. General characteristics and common example of each classification. Natural, synthetic and semi-synthetic narcotics, drugs and psychotropic substances. Designer drugs. Tolerance, addiction and withdrawal symptoms of narcotics, drugs and psychotropic substances Crime scene search for narcotics, drugs and psychotropic substances – searching a suspect, searching a dwelling, searching a vehicle. Testing of narcotics, drugs and psychotropic substances. Presumptive and screening tests for narcotics, drugs and psychotropic substances. Microcrystalline testing of drugs of abuse
Unit V: Analysis of Beverages
Introduction, Alcoholic and non-alcoholic beverages and their composition, Definition of alcohol and illicit liquor. Alcohol and prohibition, Consequences of drunken driving, Breath analysis, blood alcohol analysis by GC-HS.
Analysis of Beverages- Analysis of alcoholic beverages as per BIS and PFA Act, Detection and determination of ethanol, furfural, organic acids, aldehydes, chloral hydrate, methanol and ethylene glycol in liquors.
Unit VI: Detection of Food Adulteration
Food adulteration: Introduction, Prevention of food adulteration, analysis of samples taken under food adulteration act
Unit VII: Case Studies
Famous case studies related to forensic chemistry.
Suggested Readings
Session 1
Distillation and fractionation of petroleum. Commercial uses of different petroleum fractions
https://www.geeksforgeeks.org/fractional-distillation-of-petroleum/
Session 2
Analysis of petroleum products
https://www.slideshare.net/RahulVerma893/analysis-of-petroleum-products
Session 3
Analysis of traces of petroleum products in forensic exhibits
https://www.slideshare.net/jeremiah_justus/forensic-chemistry-petroleum-products
Session 4
Comparison of petroleum products. Adulteration of petroleum products
Session 5
Chemistry of fire, conditions of fire
Session 7
Location of point of ignition
Session 9
Searching the fire scene, collection and preservation of arson evidence
Session 10
Analysis of fire debris
https://dps.mn.gov/divisions/bca/bca-divisions/forensic-science/Pages/trace-fire-sample-prep.aspx