PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Sodium silicate is commercially available in a form of water glass in which sodium silicate is combined with water and which usually contains 45??70 mass % of water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freshpatents.com