About: http://webisa.webdatacommons.org/279263138

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	Concentration can be accomplished in a number of ways known in the art including but not limited to centrifugation, filtering, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com