About: http://webisa.webdatacommons.org/438684155

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	With respect to the chemical structure, activated carbon is mainly composed of graphite, amorphous and has functional groups such as hydroxy group, quinone group and the like on the surface.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com