PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The first saturation is with an aqueous mix containing tartaric acid and a buffer such as citric acid, and a background dye such as quinaldine red.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com