About: http://webisa.webdatacommons.org/187365175

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Non-limiting examples of buffering agents include citric acid, lactic acid, benzoic acid, phosphoric acid, EDTA, triethanolamine, and combinations and salts thereof, and other buffering agents known to those of ordinary skill in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com