About: http://webisa.webdatacommons.org/443138794

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	Sample materials that do not provide oxygen or another material with which to form volatile compounds to liberate the carbon have deposited upon them a film including the carbon and fluorine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk