▎ 摘　　要

NOVELTY - Manufacture of graphene involves reacting graphite, an acidic solution (a) and an oxidizing agent, obtaining a product comprising graphite oxide, separating the product into graphite oxide and an acidic waste liquid, washing the obtained graphite oxide with a washing liquid containing a sulfite-containing compound, obtaining graphene oxide and reducing the graphene oxide. USE - Manufacture of graphene (claimed).