Rando Forensic Chem

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Author:
minna528
ID:
56081
Filename:
Rando Forensic Chem
Updated:
2010-12-14 23:11:20
Tags:
Forensic Chem
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Description:
Random questions for the final!
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  1. Distallates
    • High abundance of alkanes
    • Bell shaped curve
    • Equal peak separations
    • least refined
  2. Gasoline
    • High aromatic content
    • low number of alkanes
    • Toluene, Xylenes, Alkylbenzenes, Napthalenes
    • 3 fingers 1:2:1
  3. Isoparaffinic Products
    • Isoalkanes
    • Narrow range products
    • abundant alkanes with notable absence of n-alkanes
    • no cycloalkanes and aromatics
  4. Aromatic Products
    • Aromatics stripped from distillates
    • All aromatic compounds
    • No Aliphatic compounds
    • Narrow range
  5. N-Alkane Products
    • N-alkanes from distillate fractions
    • Simple pattern
    • Only straight chain alkane compounds- only straight chain
  6. Napthenic/Paraffinic Products
    • Cyclo- and Iso- alkanes
    • No aromatics and n-alkanes
    • Gaussian distribution
    • Unresolved baseline-open envelope
  7. Oxygenated Products
    • Pattern recognition less helpful
    • resort to MS identification
    • Run comparison samples
    • Consider isothermal GC conditions
  8. Depressants
    • Alcohols
    • Heroin/Opium
    • Fentanyl
    • Barbiturates
    • Methaqualone
    • benzodiazepines
  9. Stimulants
    • Cocaine
    • Methamphetamine
    • Diet aids/ herbal
    • antidepressants
    • catha Edulis- KHAT
    • methcathinone -CAT
  10. Hallucinogens
    • Lysergic Acid Diethylamide
    • Psilocybin
    • Phencyclidine
    • MDA/MDMA
    • Bufotenine
    • Marijuana
    • Mescaline
    • Saliva

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