About: http://webisa.webdatacommons.org/191548849

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	catalyst can be transferred between process steps under vacuum (preferably at less than about 100 mm Hg), or under a blanket of an inert gas such as nitrogen or carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com