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Fe3O4-embedded graphene oxide was developed as a magnetic adsorbent for removal of methylene blue from aqueous solution. Fe3O4 nanoparticles were embedded on the surface of the as-prepared graphene oxide via a co-precipitation procedure with cheap and environmentally friendly iron salts. The weight percentage of graphene oxide was estimated by calcination to be about 18.5 %. In the aqueous solution...
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