PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The precursor to the metal or metal oxide active species, for example potassium permanganate, is preferably dissolved separately in water and added in an appropriate amount to a carbon suspension, prior to breaking the secondary agglomerates.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es