Hummers' method
type: Concept
preferred label: روش هامر @fa
related: graphite oxide

graphite oxide
type: Concept
broader: chemical compounds
preferred label: گرافیت اکسید @fa
related: Hummers' method

chemical compounds
type: Concept
narrower: graphite oxide
preferred label: ترکیبات شیمیایی @fa