PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Optionally, one or more additional components such as a polymer, surfactant or surface active agent, viscosity modifying agent, buffering agent, pH controlling agent, chelating agent, bulking agent, excipient agent, ionic strength adjusting agent, coloring agent, and the like can be added to the milling chamber.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com