Moghimi, A. and Javad Poursharifi, M. 2010. Preconcentration and Determination of Ultratrace of Cd(II) in Water Samples Using Dispersive Liquid-Liquid Microextraction with N-Benzoyl-N-phenylhydroxylamine. Asian Journal of Chemistry. 23, 4 (Dec. 2010), 1429–1434.