PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The deleterious agent can comprise elevated temperature, V, Pb, Ni, As, Sb, Sn, Hg, Fe, S or other metals, H2S, chlorine, oxygen, Cl, and/or carbon monoxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca