Síntesis de nanopartículas de magnetita a partir del extracto de cáscara de papaya para la degradación de colorantes azoicos en soluciones acuosasSynthesis of magnetite nanoparticles using papaya peel extract for the azo dyes degradation in aqueous solutions RESUMEN El presente documento describe el proceso realizado para sintetizar nanopartículas de magnetita Fe 3 O 4 a partir de extracto de cáscara de papaya mediante una reacción simple y ecológica. Para la realización de la síntesis se verifica la cantidad de glucosa presente en las cáscaras puesto que este carbohidrato es indispensable como agente reductor en la reacción, el procedimiento se realiza para tres muestras diferentes las cuales son evaluadas por medio de microscopia infrarroja FTIR y comparadas con una muestra comercial, por otro lado, se evidencia por medio de una prueba SEM si el tamaño de los productos obtenidos corresponden a material nanométrico y si la morfología efectivamente corresponde a magnetita; posterior a esto se realiza la degradación de colorantes azoicos dando resultados positivos para el colorante azul brillante E-133 mostrando transparencia en el medio lo que se verifica de manera cuantitativa por medio de espectroscopia UV-Vis. ABSTRACTThis document describes the Fe 3 O 4 magnetite nanoparticles process synthesis via papaya peel extract by a simple and ecological reaction. For the synthesis, is verified the amount of glucose present in the shells since this carbohydrate is indispensable as a reducing agent in the reaction, the method is make for three different samples that are evaluated by infrared microscopy FTIR and compared with a commercial sample, in the other hand by SEM was possible see if the size and morphology corresponding to the expected results; subsequent the azo dyes degradation give positive results for the bright blue E-133 dye showing the transparency in the medium and is checked quantitatively through of UV-Vis spectroscopy.
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