PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Three types of cyanides are generally subjected to micro-distillation; free cyanides" which are such materials as sodium cyanide, hydrogen cyanide, weak complex metal cyanides with metals such as zinc or cadmium, all of the above being dissolved in water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr