Transcript FRSC 1001 - Alfred State College intranet site

FRSC 2001 – Introduction
to Forensic Science
Technology II
Professor Bensley
Alfred State College
First Step

Macroscopic Analysis
 What does it look like? How is it
packaged?
 5 P’s
Macroscopic Exam
How are Drug Cases Submitted
to Laboratory?
The Analysis Continues


Obtain weight of material if needed
What is residue?
Presumptive Examinations

Also known as preliminary or screening tests

Examples: Color tests, microcrystalline tests,
low-power microscopy, thin layer
chromatography, gas chromatography
Methamphetamine
Marquis Test (L)
Nitroprusside Test (R)
Heroin
Marquis Test (L)
Mecke Test (R)
Microcrystalline Tests
Cocaine
Methamphetamine
Thin Layer Chromatography
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Confirmatory Examinations
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Also known as identification examinations
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Examples: Mass spectrometry, infrared
spectroscopy
Crack Cocaine
Cocaine HCl (salt)