About: http://webisa.webdatacommons.org/40902295

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	An acid such as hydrochloric acid or a base such as diethanolamine, triethanolamine (trolamine), potassium hydroxide or sodium hydroxide is used to adjust the pH to between 3.5 to 7.0.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com