About: http://webisa.webdatacommons.org/213761410

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	A gaseous nitrogen source was connected to the autoclave for the purposes of purging the autoclave of water, air and other impurities and establishing a nitrogen atmosphere therein.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es