PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The good news concerning the poisonous elements is that they are so tightly bound in compounds such as cadmium telluride and cadmium selenide that they are highly unlikely to be released in use or disposal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemweek.com