Zobrazeno 1 - 10
of 167
pro vyhledávání: '"U Pyell"'
Autor:
D. Barceló, S. Lacorte, G. V. Garner, A. P. Gize, B. Mile, M. Cooke, S. A. Westwood, U. Pyell, R. D. Coker
Publikováno v:
Chromatographia. 54:120-124
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3db3ce155ec47e14df51ad12a0f31351
https://doi.org/10.1007/bf02491845
https://doi.org/10.1007/bf02491845
Publikováno v:
Forensic science international. 233(1-3)
The most common clandestine manufacturing procedure for the ecstasy derivative 3,4-methylenedioxymethamphetamine (MDMA), is the reductive amination of piperonylmethylketone (PMK) via platinum(IV) oxide/hydrogen. Deviations of the reaction conditions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db375af8e4a74834788eb07368dfba1f
https://pubmed.ncbi.nlm.nih.gov/24314521
https://pubmed.ncbi.nlm.nih.gov/24314521
Publikováno v:
Journal of Chromatography A. 634:169-181
An electron-donor and various electron-acceptor (EA) phases were evaluated for the separation of thirteen tetrachlorodibenzo-p-dioxin isomers in both the reversed- and normal-phase modes. It was shown that the selectivity on EA phases can be enhanced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ab0204170ff791eb2715810bd218b4c
https://doi.org/10.1016/0021-9673(93)83003-b
https://doi.org/10.1016/0021-9673(93)83003-b
Publikováno v:
Journal of Chromatography A. 628:3-10
The retention orders of tetrachlorodibenzo- p -dioxin (TCDD) isomers on a monomeric and a polymeric ODS column were determined by RP-HPLC. It is demonstrated that the drastic alteration of the retention order with variation of the stationary phase ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbf2dfbe2db7a3a0ad5a63b1b39d87e1
https://doi.org/10.1016/0021-9673(93)80326-4
https://doi.org/10.1016/0021-9673(93)80326-4
Autor:
U, Pyell
Publikováno v:
Advances in chromatography. 41
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::51d39cc335575867d7cbb574401f9eb9
https://pubmed.ncbi.nlm.nih.gov/11263065
https://pubmed.ncbi.nlm.nih.gov/11263065
Autor:
A, Dworschak, U, Pyell
Publikováno v:
Journal of chromatography. A. 855(2)
In micellar electrokinetic chromatography (MEKC) with cationic surfactants the migration window is significantly narrower than with anionic surfactants. In order to overcome this disadvantage of cationic surfactants, it is investigated whether it is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::3e39474f3eede999351fa0f7ad5389d2
https://pubmed.ncbi.nlm.nih.gov/10519103
https://pubmed.ncbi.nlm.nih.gov/10519103
Publikováno v:
Chromatographia. 54:547-548
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f25bfe9cd15d0b436e2a7844d0d2da3
https://doi.org/10.1007/bf02491218
https://doi.org/10.1007/bf02491218
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