About: http://webisa.webdatacommons.org/257906016

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	Diluents such as carbon dioxide, carbon monoxide, silicon tetrachloride, trichlorosilane, etc., may also be added.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com