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Simultaneous determination of iron and ruthenium as ternary complexes by extractive second derivative spectrophotometry
(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 ...
Simultaneous determination of copper and iron by second derivative spectrophotometry using mixtures of ligands
(Elsevier B.V., 1997)
A highly sensitive and selective second derivative spectrophotometric method has been developed for the determination of copper and iron in mixtures. The method is based on the separation of the analytes by liquid-liquid ...
Spectral study and simultaneous determination of sulfamethoxazole and trimethoprim by digital derivative spectrophotometry Estudio espectral y determinación simultanea de sulfametoxazol y trimetoprim por espectrofotometría derivada digital
(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 ...
Spectral study and simultaneous determination of sulfamethoxazole and trimethoprim by digital derivative spectrophotometry
(SOCIEDAD CHILENA DE QUIMICA, 2002-09)
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 ...
Determination of trace amounts of cobalt by solvent extraction-second derivative spectrophotometry
(1993)
A sensitive derivative spectrophotometric method is described for the determination of microamounts of cobalt based on the integration of liquid-liquid separation and reaction, in dichloroethane, of the analyte with ...
Determination and co-estimate of the chlormadinone acetate and 17α-ethinyl estradiol in pharmaceutical formulation and drinking water samples by digital derivative spectophotometry
(Sociedad Chilena de Quimica, 2014)
© 2014, Sociedad Chilena de Quimica. All rights reserved.In this work are presented two methods for the simultaneous determination of 17α-ethinylestradiol (EEL) and chlormadinone acetate (CMA) by second order derivative ...
Simultaneous determination of estradiol and medroxyprogesterone acetate in pharmaceutical formulations by second-derivative spectrophotometry
(AOAC INTERNATIONAL, 2002-07)
This paper reports a simple and fast method for the simultaneous determination of estradiol (ED) and medroxyprogesterone acetate (MP) in pharmaceutical formulations by second-derivative spectrophotometry. Methanol was used ...
Determinación de nicotina en cigarrillos aplicando la técnica de la segunda derivada
(Sociedad Química del Perú, 2007)
En el presente trabajo de investigación se ha determinado nicotina en muestras de tabaco, correspondientes a marcas de cigarrillos nacionales, utilizando la destilación por arrastre de vapor y posterior determinación ...
Second-derivative spectrophotometric assay of bromazepam in pharmaceutical formulations
(Elsevier Science Publ. B.V., 1991)
A simple, rapid and accurate direct method has been developed for the determination of bromazepam in pharmaceutical formulations using second-derivative absorption spectrophotometry. Methanol was used as the solvent for ...
Optimización de un procedimiento para la determinación de oro mediante espectrofotometría UV/VisOptimization of a procedure for the determination of gold content by UV/VIS spectrophotometry
(Universidade Federal do Rio de Janeiro. Coordenação dos Programas de Pós-Graduação em Engenharia. Laboratório de Hidrogênio, 2018-07)
La recuperación de metales valiosos (como el Cu, Au, Ag, Pt, Pd, etc.), contenidos en las placas de circuito impreso (PCB’s) provenientes de chatarra electrónica, mediante vías hidrometalúrgicas alternativas a las actualmente ...