Application of titanium dioxide nanoparticles for preconcentration and determination of As(V)in water samples by graphite furnace atomic absorption spectrometry

摘要

ABSTRACT Titanium dioxide (TiO2) nanoparticles were prepared by Sonochemical synthesis method at low intensity and characterized using X-ray diffraction (XRD) and Transmission Electron Microscope (TEM). The preconcentration capability of TiO2 nanoparticles for As(V) was assessed in this work using column method from aqueous solution prior to their determination by graphite furnace atomic absorption spectrometry(GFAAS). The optimum experimental parameters for preconcentration of As(v), such as p.