About: http://webisa.webdatacommons.org/180326207

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	These catalysts generally consist of vanadium pentoxide applied onto a carrier, in particular an amorphous silica, an alkali metal compound being added to effect activation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com