Fast Ephedrine Quantification by Gas Chromatography Mass Spectrometry (original) (raw)

Determination of ephedrines in urine by gas chromatography–mass spectrometry

Maria Helen E Spyridaki, Panayotis Siskos, Christina Tsitsimpikou

Journal of Chromatography B: Biomedical Sciences and Applications, 2001

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Validation of an analytical method for the detection of ephedrine and its analogues in forensic samples using HPTLC–MS

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A simple high pH liquid chromatography–tandem mass spectrometry method for basic compounds: Application to ephedrines in doping control analysis

Norman Smith

Journal of Chromatography A, 2011

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Determination of Ephedrine Alkaloids in Human Urine and Plasma by Liquid Chromatography/Tandem Mass Spectrometry: Collaborative Study

William Alexander Toledo Trujillo

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Rapid Simultaneous Determination of Amphetamine, Methamphetamine, 3,4-Methylenedioxyamphetamine, 3,4-Methylenedioxymethamphetamine, and 3,4-Methylenedioxyethylamphetamine in Urine by Fast Gas chromatography-mass Spectrometry

Cynthia Morris-Kukoski

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Analysis of Stimulants in Oral Fluid and Urine by Gas Chromatography-Mass Spectrometry II: Pseudophedrine

Xavier de la Torre

Journal of Analytical Toxicology, 2010

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δ 13 C, δ 15 N and δ 2 H isotope ratio mass spectrometry of ephedrine and pseudoephedrine: application to methylamphetamine profiling

Michael Collins

Rapid Communications in Mass Spectrometry, 2009

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Simultaneous quantification of amphetamines and ephedrines in urine by GC/MS using analytical-grade acetic anhydride/pyridine as derivatizing reagents: a suitable approach to reduce costs of routine analyses

Mariela Correa

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Comparison of various reversed-phase columns for the simultaneous determination of ephedrines in urine by high-performance liquid chromatography

Rosana Navajas

Journal of Chromatography A, 2000

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Rapid Simultaneous Determination of Amphetamine, Methamphetamine, 3,4-Methylenedioxyamphetamine, 3,4-Methylenedioxymethamphetamine

Cynthia Morris-kukoski

2005

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Stability studies of amphetamine and ephedrine derivatives in urine

Jordi Segura

Journal of Chromatography B, 2006

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Separation of ephedrine and pseudoephedrine enantiomers using a polysaccharide‐based chiral column: A normal phase liquid chromatography–high‐resolution mass spectrometry approach

Ramy Sayed, Abdul Khader

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A fast gas chromatography/mass spectrometry method for the determination of stimulants and narcotics in urine

Xavier de la Torre

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Liquid-liquid-liquid microextraction followed by HPLC with UV detection for quantitation of ephedrine in urine

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A rapid and simple procedure for the determination of ephedrine alkaloids in dietary supplements by gas chromatography–mass spectrometry

Manuela Pellegrini

Journal of Pharmaceutical and Biomedical Analysis, 2006

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Enantiomeric Analysis of Ephedrines and Norephedrines

Ray Liu

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High-Throughput GC/MS Confirmation and Quantitation of Amphetamine and Methamphetamine in Urine Using the DSQ II

TRISA ROBARGE

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A Comparison of the Validity of Gas Chromatography-Mass Spectrometry and Liquid Chromatography-Tandem Mass Spectrometry Analysis of Urine Samples II: Amphetamine, Methamphetamine, ( )-3,4-Methylenedioxyamphetamine, ( )-3,4-Methylenedioxymethamphetamine, ( )-3,4-Methylenedioxyethylamphetamine, Phe...

Jeri D Ropero-Miller

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Application of a chiral high‐performance liquid chromatography‐tandem mass spectrometry method for the determination of 13 related amphetamine‐type stimulants to forensic samples: Interpretative hypotheses

Merja A Neukamm

Drug Testing and Analysis, 2020

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Analysis of Amphetamine-Derived Designer Drugs by Gas Chromatography with Mass Spectrometry

Ivo Valka, Pavlína Ginterová, Peter Ondra

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Sensitive quantification of pseudoephedrine in human plasma and urine by high-performance liquid chromatography

Michael Nieder

Journal of chromatography, 1988

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Development of a Rapid and Sensitive Method for the Quantitation of Amphetamines in Human Plasma and Oral Fluid by LC-MS-MS

Karen Pien, Nele Samyn

Journal of Analytical Toxicology, 2003

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Simultaneous analysis of amphetamine-type stimulants in plasma by solid-phase microextraction and gas chromatography-mass spectrometry

Kristiane Mariotti, Flávio Pechansky

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Comparison of 3 Derivatization Methods for the Analysis of Amphetamine-Related Drugs in Oral Fluid by Gas Chromatography-Mass Spectrometry

Khaled Mohamed

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Confirmatory procedure of ephedrines by gas chromatography-mass spectrometry . Migration of the trimethylsilyl group in the N-acetyl-O-trimethylsilyl derivatives

Teresa Correa Vidal

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Simultaneous Determination of Methylphenidate, Amphetamine and their Metabolites in Urine using Direct Injection Liquid Chromatography-Tandem Mass Spectrometry

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Confirmation testing of amphetamines and designer drugs in human urine by capillary electrophoresis-ion trap mass spectrometry

Wolfgang Thormann

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Direct Analysis of Amphetamine Stimulants in a Whole Urine Sample by Atmospheric Solids Analysis Probe Tandem Mass Spectrometry

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Simultaneous Quantitation of Methamphetamine, Ketamine, Opiates and their Metabolites in Urine by SPE and LC–MS-MS

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Drug testing in blood: validated negative-ion chemical ionization gas chromatographic-mass spectrometric assay for determination of amphetamine and methamphetamine enantiomers and its application to toxicology cases

Hans Maurer

Clinical chemistry, 2002

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Simultaneous determination of ephedrine sulfate, hydroxyzine hydrochloride and theophylline in tablets by reversed-phase high-performance liquid chromatography

Michael F Delaney

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Determination of amphetamine-type stimulants in oral fluid by solid-phase microextraction and gas chromatography–mass spectrometry

Eugenia Gallardo

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