Illicit Drugs Flashcards Preview

(S1/Y1) CHE103 - Introduction To Forensics > Illicit Drugs > Flashcards

Flashcards in Illicit Drugs Deck (14)
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1
Q

Describe 2 confirmatory tests to detect drugs

A

GAS CHROMATOGRAPHY/MASS SPECTROMETRY (GC/MS)
- compounds that have identical mass spectra may have different retention times

INFRARED SPECTROPHOTOMETERY (FTIR)

  • unique to each chemical compound
  • drug must be removed from all cutting ingredients = 100% purity
2
Q

Describe 2 post preliminary tests to detect drugs

A

MICROCRYSTAL TEST/
- colour, shape, speed of crystallisation of particular types of drugs

CHROMATOGRAPHY
- TLC

3
Q

Describe the 5 preliminary tests to detect drugs

A

RUYBAL (SCOTT)
- cocaine = turquoise bottom layer

MARQUIS
- opium = purple

MARQUIS + WATER
- amphetamines = bright orange fluorescence

DILLIE-KOPPANYI
- barbiturates = purple

EHRLICH
- LSD = purple

4
Q

Define the terms ‘excipients’ and ‘dilutents’

A

EXCIPIENTS - substances that may mimic the activity of the main illicit drug present in order to make it more difficult for users to know how much drug is there

DILUTENTS - used to dilute an illicit drug and give it more bulk

5
Q

Define the term ‘useable quantity’

A

An amount of a drug that is likely to have a demonstrable psychoactive effect on an average person that can be used to prosecute a person

6
Q

Define and list the 2 hallucinogenic drugs

A

HALLUCINOGENS - make you see vivid images

  1. LSD - not addictive
  2. Marijuanna - tetrahydrocannabinol (THC) and hashish oil gives powerful affects
7
Q

Define and list the 2 narcotic drugs

A

NARCOTICS - relieve pain and cause sleep

  1. Morphine and codeine from opium - heroin from morphine
  2. Synthetic designer drugs
8
Q

Define and list the depressant drug

A

DEPRESSANTS - give depressant effects

  1. Barbiturates - highly addictive and dangerous
9
Q

Define and list 2 stimulant drugs

A

STIMULANTS - elevates ones mood

  1. Amphetamines/methamphetamine - originally used pharmaceutically = to avoid dangerous intravenous use smokeable methamphetamine was formed =ICE
  2. Cocaine - extruded from leaves of Coca plant
10
Q

What are 4 types of synthetic drugs?

A
  1. Amphetamines
  2. Barbiturates
  3. PCP
  4. Oxycodone
11
Q

What are 2 types of semi-synthetic drugs?

A
  1. HEROIN

2. LSD

12
Q

What 2 drugs are derived from plant extracts?

A
  1. Cocaine

2. Morphine/codeine

13
Q

What 3 drugs are naturally occurring?

A
  1. Marijuana
  2. Mushrooms
  3. Cactus
14
Q

Define the terms ‘drugs’ and ‘drug abuse’

A

DRUG - natural or synthetic substance designed to produce a specific set of psychological or physiological effects on the human body

DRUG ABUSE - when people take drugs for purposes other than for which they are intended for