%0 Journal Article %T Application of titanium dioxide nanoparticles for preconcentration and determination of As(V)in water samples by graphite furnace atomic absorption spectrometry %A CHamsaz, Mahmod %A Entezari, Mohammad Hassan %A Md Jelas Haron %A Asadpour, Saeid %A Ghows, Narjes %J Research Journal of Pharmaceutical, Biological and Chemical Sciences %@ 0975-8585 %D 2012