About: http://webisa.webdatacommons.org/200860755

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 removal of the oxygen can be accomplished by (1) purging the reaction mixture with an inert gas such as nitrogen or carbon dioxide, (2) boiling the reaction mixture and (3) applying a partial vacuum to the system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es