What are the functions of H2SO4, H3PO4, NaNO3 and KMnO4 in the synthesis of Graphene oxide from Graphite powder?

I want to synthesis Graphene oxide from Graphite powder using Hummers method or modified/improved hummers methods. But there are lots of variation in amount of chemicals used and duration of...

11 November 2019 7,736 5 View