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Determination of cocaine and benzoylecgonine by direct injection of human urine into a column-switching liquid chromatography system with diode-array detection
ArticleAbstract: A method for the determination of cocaine (COC) and benzoylecgonine (BZE) in human urine using a colPalabras claves:Benzoylecgonine, Cocaine, Column switching, HPLC, Sample preparation, Solid-phase extraction, Urine samplesAutores:Brunetto R., Cayama Y.D., García L., Maximo Gallignani, Obando M.Fuentes:googlescopusHPLC determination of Vitamin D<inf>3</inf> and its metabolite in human plasma with on-line sample cleanup
ArticleAbstract: A HPLC method with automated column switching and UV-diode array detection is described for the simuPalabras claves:25-OH-D 3, Column switching, HPLC, On-line sample cleanup, Plasma samples, Solid-phase extraction, vitamin D 3Autores:Alarcón O.M., Brunetto R., Burguera M., Luis Burguera J., Maximo Gallignani, Nieto E., Obando M., Salinas R.Fuentes:googlescopus