List of Articles Magnetic nanocompo-sites Open Access Article Abstract Page Full-Text 1 - Preparation of Modified Magnetic Nanocomposites Dithiooxamide/Fe3O4 for Preconcentration and Determination of Trace Amounts of Cobalt Ions in Food and Natural Water Samples Ali Mirabi Nafiseh Aliakbari 10.22034/jchr.2016.544156