Extraction of testosterone and epitestosterone in human urine using aqueous two-phase systems of ionic liquid and salt

Based on aqueous two-phase systems (ATPS) consisting of 1-butyl-3-methylimidazolium chloride, a hydrophilic ionic liquid (IL), and K 2HPO 4, a new and simple extraction technique, coupled with a reversed-phase high performance liquid chromatography (RP-HPLC), was developed for the simultaneous conce...

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Veröffentlicht in:	Journal of Chromatography A 2005-08, Vol.1082 (2), p.143-149
Hauptverfasser:	He, Chiyang, Li, Shehong, Liu, Huwei, Li, Kean, Liu, Feng
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Analytical chemistry Aqueous two-phase systems Biological and medical sciences Chemical Fractionation - methods Chemistry Chromatographic methods and physical methods associated with chromatography Chromatography, High Pressure Liquid - methods Epitestosterone Epitestosterone - isolation & purification Epitestosterone - urine Exact sciences and technology Extraction General pharmacology Human urine Humans Imidazoles Ionic liquid Medical sciences Other chromatographic methods Pharmacology. Drug treatments Temperature Testosterone Testosterone - isolation & purification Testosterone - urine
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