PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, it is within the scope of this invention to use sulfonated films which have been neutralized with bases such as sodium hydroxide and ammonium hydroxide or exchanged with metal salt solutions such as nickel chloride.
http://www.w3.org/ns/prov#wasQuotedFrom
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