Abstract
In the paper graphene was prepared by redox method. The crucial factors affecting the synthesis of graphite oxide was optimized by orthogonal experiment. The colloidal form of graphene was subsequently prepared in the presence of hydrazine hydrate. The factors affecting reduction degree of graphene were discussed, such as hydrazine hydrate dosage and reaction temperature in the system. The obtained grapheme is tested on adsorption performances towards copper, cobalt and other inorganic ions.
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