Browsing by Author "Tapia, A. Eugenia"
Now showing items 1-5 of 5
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Richter Duk, Pablo; Toral Ponce, María; Tapia, A. Eugenia; Ubilla, Claudia; Bunster, Mauricio (1996)A flow injection analysis (FIA)/stopped flow method is proposed for the simultaneous determination of copper and zinc. The method is based in the difference in the reaction rates between the analytes and the reagent zincon ...
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Richter Duk, Pablo; Toral Ponce, María; Tapia, A. Eugenia; Ubilla, Claudia; Bunster, Mauricio (Sociedad Chilena de Química, 1996)Se propone un método de análisis por inyección en flujo (FIA) con flujo interrumpido para la determinación simultánea de cobre y zinc. El método se basa en las diferentes velocidades en que se produce la reacción entre ...
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Toral Ponce, María; Soto, Cesar; Jaque, Pablo; Tapia, A. Eugenia; Richter Duk, Pablo (1998)
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Toral Ponce, María; Richter Duk, Pablo; Tapia, A. Eugenia; Hernández, Jimmy (Elsevier, 1999)A highly sensitive and selective second derivative spectrophotometric method has been developed for the determination of ruthenium and iron in mixtures. The method is based on the formation of the binary complexes of iron ...
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Toral Ponce, María; Lara, Nelson; Tapia, A. Eugenia; Torres, Claudio; Richter Duk, Pablo (2002)A direct and simple second derivative digital spectrophometric method has been developed for the simultaneous determination of the sulfamethoxazole and trimethoprim in pharmaceutical formulation. A study of the spectral ...