A. Moghimi and M. Javad Poursharifi, “Preconcentration and Simultaneous Determination of Lead(II) and Copper(II) by 1-(2- Pyridylazo)-2-naphthol Adsorbed on Surfactant Coated Alumina by Electro Thermal Atomic Absorption Spectrometry”, ajc, vol. 21, no. 2, pp. 849–857, Mar. 2010.