Journal of the Brazilian Chemical Society

Synthesis and Application of Magnetic Nanoparticle Supported Ephedrine as a New Sorbent for Preconcentration of Trace Amounts of Pb and Cu in Water Samples
Mohammadi,Somayeh et al.
Journal of the Brazilian Chemical Society(2014)
http://dx.doi.org/10.5935/0103-5053.20140189