PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The incinerator product obtained from the incineration of black liquor and other spent liquors from a soda pulping process is treated to remove contaminants including chlorides, sulphates and potassium compounds and to recover a high proportion of the sodium carbonate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com