Výsledky vyhledávání - "F B S John Casale"

Tropane Ethyl Esters in Illicit Cocaine: Isolation, Detection, and Determination of New Manufacturing By-Products from the Clandestine Purification of Crude Cocaine Base with Ethanol

Autor: K B S Danielle Boudreau, M B S Laura Jones, F B S John Casale

Publikováno v: Journal of Forensic Sciences. 53:661-667

Seven ethyl homologues of known tropane esters have recently been detected as impurities in the gas chromatographic signature profiles of authentic Peruvian illicit cocaine base and hydrochloride exhibits. Peruvian cocaine base processors are now kno

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::026fa4fa587412acab65eabd49e604f1
https://doi.org/10.1111/j.1556-4029.2008.00698.x

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Headspace-gas chromatographic-mass spectrometric analysis of South American commercial solvents and their use in the illicit conversion of cocaine base to cocaine hydrochloride

Autor: F B S John Casale, Jennifer R. Mallette

Publikováno v: Journal of forensic sciences. 60(1)

This study presents data that establish the makeup of solvents utilized in illicit cocaine hydrochloride production, as determined via the identification of the occluded solvents in the crystal matrix of the final product. The occluded solvent ratios

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cfe3f821abb3b6c73d7a1fc1116ea31d
https://pubmed.ncbi.nlm.nih.gov/25047142

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Signature profiling and classification of illicit heroin by GC-MS analysis of acidic and neutral manufacturing impurities

Autor: F B S John Casale, D B S Sam Cooper, Sini Panicker, R B S David Morello

Publikováno v: Journal of forensic sciences. 55(1)

The illicit manufacture of heroin results in the formation of trace level acidic and neutral impurities. These impurities are detectable in illicit heroin and provide valuable information about the manufacturing process used. The isolation, derivatiz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96d3a2fc9ea61661c8213090a59e7463
https://pubmed.ncbi.nlm.nih.gov/20002261

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Chlorinated opium alkaloid derivatives produced by the use of aqueous sodium hypochlorite during the clandestine manufacture of heroin

Autor: Steven G. Toske, A B S Patrick Hays, F B S John Casale

Publikováno v: Journal of forensic sciences. 54(2)

A clandestine chemist was observed producing heroin from crude morphine utilizing a solution of sodium hypochlorite during the process. Numerous chlorinated opium alkaloid derivatives were created when the morphine acetylation reaction was quenched a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ee51cdd9994cffd18b5f427f25ee22c
https://pubmed.ncbi.nlm.nih.gov/19261052

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Four new illicit cocaine impurities from the oxidation of crude cocaine base: formation and characterization of the diastereomeric 2,3-dihydroxy-3-phenylpropionylecgonine methyl esters from cis- and trans-cinnamoylcocaine

Autor: A B S Patrick Hays, Arthur L. Berrier, Steven G. Toske, F B S John Casale

Publikováno v: Journal of forensic sciences. 52(4)

Four new impurities have recently been detected in the gas chromatographic signature profiles of many illicit cocaine hydrochloride exhibits. These impurities are only seen in exhibits that have been oxidized and are most prominent in samples that ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2161e262fda2216fd7ab66e864840b63
https://pubmed.ncbi.nlm.nih.gov/17553089

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