PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The potassium iodide in the Austin Air filter is an oxidizing agent that actually breaks down some chemical vapors and VOC's like ammonia ethylene and formaldehyde.
http://www.w3.org/ns/prov#wasQuotedFrom
  • achooallergy.com