PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ordinarily an oxidizing agent such as sodium chlorate, potassium perborate, sodium nitrate, sodium nitrite or hydrogen peroxide is included in the phosphating solution to depolarize the metal surface being treated and thereby increase the rate at which the phosphate coating is formed on the metal surface.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es