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  • Increased safety and specificity in the thin-layer chromatographic identification of marihuana.

Increased safety and specificity in the thin-layer chromatographic identification of marihuana.

Journal of forensic sciences (1979-10-01)
R B Hughes, M S Kessler, R R Kessler
PMID541645
ABSTRACT

We are reporting what we believe to be a safe, rapid TLC system and spray for the identification of marihuana. The use of Fast Blue 2B salt greatly enhances the specificity of the TLC analysis of suspected marihuana samples.

MATERIALS
Product Number
Brand
Product Description
F3378
Sigma-Aldrich
Fast Blue BB Salt hemi(zinc chloride) salt, Dye content ≥80 %
44670
Sigma-Aldrich
Fast Blue BB Salt hemi(zinc chloride) salt, for microscopy (Hist.)