About: http://webisa.webdatacommons.org/189003427

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 placement in filters, the impregnated particles preferably have mode particle sizes of 50 to 5000 ??m, more especially 50 to 1000 ??m, still more preferably 100 to 500 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com