PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The acidification may be carried out by addition of an acidic gas such as hydrogen chloride or carbon dioxide to the emulsion, preferably under pressure, or an aqueous or hydrocarbon solubilized acid to the emulsion.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com