What are the roles of the chemicals involved in the preparation of graphene oxide from graphite?

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Açelya Seçer

%3 hydrogen peroxide is used to reduce the residual permanganate

and manganese dioxide to colorless soluble manganese sulfate.

Upon treatment with the peroxide, the suspension turned bright yellow.

Fabio Lima

Dear Sridhar we get change color using method published by reduction chemistry of oxide graphene. Description in Supplementary Information.Very important to consider the amount of acid to peroxide ratio.

http://pubs.rsc.org/en/content/articlelanding/2013/ra/c3ra40412a