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Comparative analysis of illicit heroin samples.

M Chiarotti1, N Fucci, C Furnari

  • 1Istituto di Medicina Legale-Università, Cattolica del Sacro Cuore di Roma, Italy.

Forensic Science International
|July 1, 1991
PubMed
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Comprehensive analysis of street heroin is vital. This study outlines a multi-technique approach for detailed chemical profiling of heroin samples, aiding in source attribution.

Area of Science:

  • Forensic Chemistry
  • Analytical Chemistry

Background:

  • Comparative analysis of street heroin composition remains a complex scientific challenge.
  • A singular analytical method is insufficient for comprehensive sample characterization.

Purpose of the Study:

  • To propose a complete analytical sequence for the detailed chemical analysis of street heroin samples.
  • To establish a routine procedure for identifying volatile compounds, opiates, diluents, adulterants, and metals.

Main Methods:

  • Utilized a combination of analytical techniques including Head Space Gas Chromatography (HS/GC), Gas Chromatography-Mass Spectrometry (GC/MS), Thin Layer Chromatography (TLC), High-Pressure Liquid Chromatography (HPLC), and Atomic Absorption (AA).
  • The procedure requires a minimal sample amount (50-100 mg).

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Main Results:

  • Successfully analyzed 33 street heroin samples confiscated in Rome.
  • The analytical sequence provided detailed information on the chemical composition of the samples.

Conclusions:

  • The proposed comprehensive analytical sequence is effective for routine forensic analysis of street heroin.
  • This method aids in attributing or excluding common sources of different heroin specimens.