PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Metal ions such as Cobalt, Iron, Nickel, Tungsten, Zinc can be incorporated
http://www.w3.org/ns/prov#wasQuotedFrom
  • sustainablechemicalprocesses.com