PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The extracted solution is concentrated under reduced pressure and subjected to silica gel chromatography to adsorb the active substances, followed by the use of an appropriate solvent such as chloroform.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com