About: http://webisa.webdatacommons.org/287310928

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 most common catalysts are platinum or platinum-based materials, but platinum is a rare and expensive material.
http://www.w3.org/ns/prov#wasQuotedFrom	ecoseed.org