PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The base can be, for example, an alkali metal hydroxide such as sodium hydroxide or potassium hydroxide; an alkali metal alkylate such as sodium methylate or potassium methylate; and various amines, preferably tertiary amines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es