PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The reactivity of the calcium silicate produced may be enhanced by addition of sodium hydroxide, phosphoric acid, or salts such as sodium chloride, calcium chloride, calcium nitrate, ammonium phosphate, sodium phosphate or sodium nitrate.
http://www.w3.org/ns/prov#wasQuotedFrom
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