PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Acidity Of a water; is the capacity of the water to donate protons (i.e. includes the un-ionized protons of weakly ionizing acids such as H2CO3 and tannic acid, as well as hydrolysing salts such as ferrous and/or aluminum sulphate).
http://www.w3.org/ns/prov#wasQuotedFrom
  • gov.bc.ca