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FRSC 2001 – Introduction to Forensic Science Technology II

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.

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FRSC 2001 – Introduction to Forensic Science Technology II

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  1. FRSC 2001 – Introduction to Forensic Science Technology II Professor Bensley Alfred State College

  2. First Step • Macroscopic Analysis • What does it look like? How is it packaged? • 5 P’s

  3. Macroscopic Exam

  4. How are Drug Cases Submitted to Laboratory?

  5. The Analysis Continues • Obtain weight of material if needed • What is residue?

  6. 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)

  7. Microcrystalline Tests Cocaine Methamphetamine

  8. Thin Layer Chromatography

  9. Marijuana Microscopic Exam

  10. Confirmatory Examinations • Also known as identification examinations • Examples: Mass spectrometry, infrared spectroscopy

  11. Crack Cocaine Cocaine HCl (salt)

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