PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Chlorine is produced mostly by electrolysis of brine; some is obtained as a by-product in the manufacture of sodium metal by the electrolysis of sodium chloride either molten or in solution.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemicalland21.com