About: http://webisa.webdatacommons.org/390062764

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	A scavenger in chemistry is a chemical substance added to a mixture in order to remove or de-activate impurities and unwanted reaction products, for example oxygen, to make sure that they will not do any unfavorable reactions.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org