List of Articles Nano-Fe3O4-DOP Open Access Article Abstract Page Full-Text 1 - Enrichment of trace amounts Nickel (П) in water samples using nano-Fe3O4-encapsulated-dioctylphthalate and linked- ethylenediamine Open Access Article Abstract Page Full-Text 2 - Solid phase extraction of Hg (П) in water samples by nano-Fe3O4 encapsulated-dioctylphthalate and linked- diethylenetriamine