PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ion exchange and chlorination, two common water denitrification processes are unable to efficiently remove nitrite due to its solubility and other processes produce a number of undesired toxic products like nitrite and ammonia.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rsc.org