About: http://webisa.webdatacommons.org/407405605

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	When an oxidizing radical polymerization initiator is used, a reducing agent such as sodium sulfite, sodium hydrogen sulfite, ferrous sulfate, or 1-ascorbic acid may be additionally used to effect redox polymerization.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com