PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Buffering materials such as citrate, tartrate, phosphate, phthalate, acetate and mixtures of these may be used.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com