Shabany, M., Shabani, A.M.H., Dadfarnia, S., Gorji, A. and Ahmadi, S.H. 2008. Solid phase extraction of zinc with octadecyl silica membrane disks modified by N,N’-disalicylidene-1,2-phenylendiamine and determination by flame atomic absorption spectrometry. Eclética Química. 33, 2 (Jun. 2008), 61–66. DOI:https://doi.org/10.26850/1678-4618eqj.v33.2.2008.p61-66.