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Solvent and solid-phase extraction of natural and synthetic corticoids in human urine
Santos Montes, Ana María; Gonzalo Lumbreras, Raquel; Gasco López, A.I.; Izquierdo Hornillos, Roberto (01/01/1994)Optimization of the main variables that affect solvent and solid-phase extraction processes, using disposable C18 cartridges and the non-ionic polymeric resin Serdolit AD-2, of human urine containing natural and synthetic ... -
The effect of different amines added to eluents as silanol masking agents on the chromatographic behavior of some diuretics in reversed-phase high-performance liquid chromatography using C18 packings.
Gasco López, A.I.; Santos Montes, Ana María; Izquierdo Hornillos, Roberto (01/11/1997)A preliminary gradient separation in reversed-phase liquid chromatography of a mixture of 25 solutes (diuretics, probenecide, and atenolol) is carried out using several C18 columns and an aqueous phosphoric acid solution ...