PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When halogens are present on the curative or donor it is desirable to use at least one halogen halide scavenger such as metal oxides including iron oxide, titanium oxide, magnesium oxide, magnesium silicate, and silicon dioxide and preferably zinc oxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com