About: http://webisa.webdatacommons.org/108917799

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	Also useful are auxiliary dispersing agents such as barium sulfate, calcium sulfate, barium carbonate, calcium carbonate, clay and kieselguhr.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com