About: http://webisa.webdatacommons.org/385814238

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	The SiO2 precipitant is removed by any convenient means, for example by filtration.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com