PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Recommended for exposure to a wide variety of concentrated chemicals such as hydrochloric acid, phosphoric acid, sulfuric acid, potassium hydroxide, and sodium hydroxide and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oilandgasonline.com