PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These elements may be present as reactants in reduced or oxidized form, including oxides and salts such as carbonates and nitrates.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com