PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Specific reagents include chemicals, e.g. sodium nitrite, gases, e.g. nitrogen, oxygen, carbon dioxide, carbon monoxide, and mixtures thereof.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com