PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The chromates as well, e.g. sodium or potassium chromate and bichromate, are eminently suitable for metallizing the monoazo dyestuffs; here it is advisable to work in a neutral to alkaline medium, to which reducing substances may be added if desired.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es