-
Distallates
- High abundance of alkanes
- Bell shaped curve
- Equal peak separations
- least refined
-
Gasoline
- High aromatic content
- low number of alkanes
- Toluene, Xylenes, Alkylbenzenes, Napthalenes
- 3 fingers 1:2:1
-
Isoparaffinic Products
- Isoalkanes
- Narrow range products
- abundant alkanes with notable absence of n-alkanes
- no cycloalkanes and aromatics
-
Aromatic Products
- Aromatics stripped from distillates
- All aromatic compounds
- No Aliphatic compounds
- Narrow range
-
N-Alkane Products
- N-alkanes from distillate fractions
- Simple pattern
- Only straight chain alkane compounds- only straight chain
-
Napthenic/Paraffinic Products
- Cyclo- and Iso- alkanes
- No aromatics and n-alkanes
- Gaussian distribution
- Unresolved baseline-open envelope
-
Oxygenated Products
- Pattern recognition less helpful
- resort to MS identification
- Run comparison samples
- Consider isothermal GC conditions
-
Depressants
- Alcohols
- Heroin/Opium
- Fentanyl
- Barbiturates
- Methaqualone
- benzodiazepines
-
Stimulants
- Cocaine
- Methamphetamine
- Diet aids/ herbal
- antidepressants
- catha Edulis- KHAT
- methcathinone -CAT
-
Hallucinogens
- Lysergic Acid Diethylamide
- Psilocybin
- Phencyclidine
- MDA/MDMA
- Bufotenine
- Marijuana
- Mescaline
- Saliva
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