About: http://webisa.webdatacommons.org/3547198

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	Useful catalysts for disproportionation include noble metals such as palladium, nickel and platinum; iodine and iodides such as iron iodide; sulfur compounds such as sulfur dioxide and iron sulfide; etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com