PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The impurities in the feed fluid may be selected from chlorates, chlorides, carbonates, sulphates, bromides and fluorides of metal ions, such as calcium, potassium, sodium and magnesium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freshpatents.com