About: http://webisa.webdatacommons.org/111909151

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	Optionally, inactive particles or other materials or mixtures thereof, can be used in the solid phase extraction medium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr