About: http://webisa.webdatacommons.org/218002693

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	Examples of suitable catalytic ingredients are tin, vanadium, members of Group VI-B in the Periodic Table, i.e. chromium, molybdenum and tungsten, and metals of the iron group, i.e. iron, cobalt and nickel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com