About: http://webisa.webdatacommons.org/89092310

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	A pH modifier that slowly lowers the pH, such as acids that provide a buffering action and/or materials that slowly generate acid, may be included in the composition.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com