SPECTROPHOTOMETRIC COLORIMETRIC DETERMINATION FOR RESORCINOL DURING SILVER NANOPARTICLES FORMATION WITH A FOCUSED PLASMON RESONANCE SURFACE USING POLYVINYL PYRROLIDONE AS STABILIZER
T. Jassim, Raisan Kadhim Taresh, A. Jawad, M. Al-Rufaie
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Abstract
In this manuscript, to determine resorcinol (RES) in pure and pharmaceutical forms, we developed a simple colorimetric method based on the formation of environmentally friendly silver nanoparticles (oxidizing agent). The electron cloud formed silver nanoparticles (AgNPs) in an alkaline medium and then reacted (RES) in the presence of Polyvinylpyrrolidone as a stabilizer in nanometer dimensions. It can oscillate on particle surfaces when dispersed in a liquid medium. It showed adequate absorption at a wavelength of 416 nm. Lambert-Beer's law is linear from 1.6 - 12 ppm, and the analysis method was simple, sensitive and highly selective.
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