PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For semiconductor and electronic device applications, organometallic precursor compounds must be ultra pure and be substantially free of detectable levels of both metallic impurities, such as silicon and zinc, as well as other impurities including hydrocarbons and oxygenated compounds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au