PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When solutions in organic solvents are used, there come into consideration catalysts which are soluble in the organic solvent, for example, strong organic acids such as formic acid, acetic acid, chloracetic acid, or compounds capable of splitting oft acid at a raised temperature, such as tartaric acid diethyl ester or triacetin.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com