PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Seachem Purigen can remove ammonia, nitrates, proteins, nitrates and other organics that may be harmful to aquatic life, but it does not harm aquatic life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • petstore.com