PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Nitrites are a salt or ester anion of nitrous acid, which can be naturally or artificially occurring in groundwater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • h2odistributors.com