About: http://webisa.webdatacommons.org/55781458

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	Further, the drastic conditions presently employed, i.e. temperatures well in excess of 300 C. and pressures in the order of 200 atmospheres does not permanently re move all impurities so that apure product is still not obtained.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com