Hossein Tavallali and Mohammad Ali Karimi and Gohar Deilamy-Rad, Speciation, Preconcentration, and Determination of Iron(II) and (III) Using 1,10-Phenanthroline Immobilized on Alumina-Coated Magnetite Nanoparticles as a Solid Phase Extraction Sorbent in Pharmaceutical Products. journal = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology. May 2016, vol. 115(7). 829 - 832 [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10004784.