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Showing 1 to 6 of 6 entries
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Development of a harmonized method for the profiling of amphetamines. I. Synthesis of standards and compilation of analytical data.

Forensic science international

Aalberg L, Andersson K, Bertler C, Borén H, Cole MD, Dahlén J, Finnon Y, Huizer H, Jalava K, Kaa E, Lock E, Lopes A, Poortman-van der Meer A, Sippola E.
PMID: 15749364
Forensic Sci Int. 2005 May 10;149(2):219-29. doi: 10.1016/j.forsciint.2004.06.020.

Reference material was synthesised for 21 substances that are frequently present as synthetic impurities, i.e. by-products, in illicitly produced amphetamine. Each of these substances is a typical by-product for at least one of the three approaches most often used...

Development of a harmonised method for the profiling of amphetamines: III. Development of the gas chromatographic method.

Forensic science international

Andersson K, Jalava K, Lock E, Finnon Y, Huizer H, Kaa E, Lopes A, Poortman-van der Meer A, Cole MD, Dahlén J, Sippola E.
PMID: 17174497
Forensic Sci Int. 2007 Jun 14;169(1):50-63. doi: 10.1016/j.forsciint.2006.10.018. Epub 2006 Dec 15.

This study focused on gas chromatographic analysis of target compounds found in illicit amphetamine synthesised by the Leuckart reaction, reductive amination of benzyl methyl ketone, and the nitrostyrene route. The analytical method was investigated and optimised with respect to...

Development of a harmonised method for the profiling of amphetamines V: Determination of the variability of the optimised method.

Forensic science international

Lock E, Aalberg L, Andersson K, Dahlén J, Cole MD, Finnon Y, Huizer H, Jalava K, Kaa E, Lopes A, Poortman-van der Meer A, Sippola E.
PMID: 17178203
Forensic Sci Int. 2007 Jun 14;169(1):77-85. doi: 10.1016/j.forsciint.2006.10.019. Epub 2006 Dec 18.

This paper is the fifth in a series of six in relation to the development of a harmonised method for the profiling of amphetamine [L. Aalberg, K. Andersson, C. Bertler, H. Borén, M.D. Cole, J. Dahlén, Y. Finnon, H....

Development of a harmonised method for the profiling of amphetamines VI: Evaluation of methods for comparison of amphetamine.

Forensic science international

Andersson K, Lock E, Jalava K, Huizer H, Jonson S, Kaa E, Lopes A, Poortman-van der Meer A, Sippola E, Dujourdy L, Dahlén J.
PMID: 17182203
Forensic Sci Int. 2007 Jun 14;169(1):86-99. doi: 10.1016/j.forsciint.2006.10.020. Epub 2006 Dec 19.

Amphetamine samples were analysed by gas chromatography-mass spectrometry (GC-MS), and the peak areas of 33 target compounds were transformed by applying various pretreatment techniques. The objective was to optimise the ability of a number of distance metrics to establish...

Development of a harmonised method for the profiling of amphetamines: IV. Optimisation of sample preparation.

Forensic science international

Andersson K, Jalava K, Lock E, Huizer H, Kaa E, Lopes A, Poortman-van der Meer A, Cole MD, Dahlén J, Sippola E.
PMID: 17134863
Forensic Sci Int. 2007 Jun 14;169(1):64-76. doi: 10.1016/j.forsciint.2006.10.017. Epub 2006 Nov 28.

The suitability of liquid-liquid extraction (LLE) and solid-phase extraction (SPE) for the preparation of impurity extracts intended for gas chromatographic profiling analyses of amphetamine were evaluated. Both techniques were optimised with respect to the extraction of selected target compounds...

Development of a harmonized method for the profiling of amphetamines. II. Stability of impurities in organic solvents.

Forensic science international

Aalberg L, Andersson K, Bertler C, Cole MD, Finnon Y, Huizer H, Jalava K, Kaa E, Lock E, Lopes A, Poortman-van der Meer A, Sippola E, Dahlén J.
PMID: 15749365
Forensic Sci Int. 2005 May 10;149(2):231-41. doi: 10.1016/j.forsciint.2004.06.019.

The present study focused on the stability of 22 amphetamine impurities dissolved in six organic solvents: isooctane, toluene, ethanol, dichloromethane, ethyl acetate, and diethyl ether. The aim was to find the most inert, and thereby most suitable, solvent for...

Showing 1 to 6 of 6 entries