PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • SQMC was established in 2000, the main products are: Calcium phosphates, Magnesium phosphates, Sodium phosphates, Potassium phosphates, Ammonium phosphates, Compound phosphates, Citrates, Ferrous sulfate, Silica and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • modernchemic.com