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Analysis of manufacturing by-products and impurities in illicit cocaine via high-performance liquid chromatography and photodiode array detection.
An high-performance liquid chromatography (HPLC) method is reported for the detection of manufacturing by-products and impurities in illicitly produced cocaine. For the first time peak enrichedExpand
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The Quantitation of Heroin and Selected Basic Impurities via Reversed Phase HPLC. II. The Analysis of Adulterated Samples
Abstract Methodology was developed employing reversed phase liquid chromatography for the simultaneous determination of heroin, O3-monoacetylmorphine, o6-monoacetylmorphine, acetylcodeine, noscapineExpand
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Effects of various anionic chiral selectors on the capillary electrophoresis separation of chiral phenethylamines and achiral neutral impurities present in illicit methamphetamine
In this study, various anionic chiral selectors were investigated for the capillary electrophoresis (CE) separation of six chiral phenethylamines and three achiral neutral impurities which areExpand
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Assessment of ultra high performance supercritical fluid chromatography as a separation technique for the analysis of seized drugs: Applicability to synthetic cannabinoids.
The recent development of modern methods for ultra high performance supercritical fluid chromatography (UHPSFC) has great potential for impacting the analysis of seized drugs. In the separation ofExpand
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Capillary electrochromatography of cannabinoids.
The applicability of capillary electrochromatography (CEC) with photodiode array UV detection for the analysis of cannabinoids is presented. Baseline separation of seven cannabinoids (cannabigerol,Expand
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Use of dynamically coated capillaries with added cyclodextrins for the analysis of opium using capillary electrophoresis.
A rapid, precise, accurate, and robust method using capillary electrophoresis (CE) with dynamically coated capillaries for the analysis of the major opium alkaloids in opium is presented. DynamicExpand
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The use of a highly sulfated cyclodextrin for the simultaneous chiral separation of amphetamine‐type stimulants by capillary electrophoresis
We investigated the simultaneous chiral separation of nine amphetamine type stimulants (dl‐norephedrine, dl‐norpseudoephedrine, dl‐ephedrine, dl‐pseudoephedrine, dl‐amphetamine, dl‐methamphetamine,Expand
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Capillary electrophoresis analysis of a wide variety of seized drugs using the same capillary with dynamic coatings
Capillary electrophoresis methodology is presented for the routine analysis of a wide variety of seized drugs using the same capillary with dynamic coatings and multiple run buffers. The types ofExpand
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Use of dynamically coated capillaries for the determination of heroin, basic impurities and adulterants with capillary electrophoresis.
Rapid, precise, accurate, and reproducible methodology using capillary electrophoresis (CE) with dynamically coated capillaries for the analysis of heroin and its basic impurities and adulterants isExpand
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