About: http://webisa.webdatacommons.org/221751494

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	For instance, a carbon product, such as carbon black, having a silica coating on the carbon product can be used, wherein the carbon product is removed to obtain the silica.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com