PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is believed that heavy-metal ions, such as copper, cobalt and particularly iron ions, form chelates with the alpha-amine oxides and catalyze their decomposition to relatively insoluble, non-surface active alpha-amino compounds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com