About: http://webisa.webdatacommons.org/451025724

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	Bases such as soda ash, caustic soda, potassium hydroxide, triethanolamine, and their mixtures, may be used to adjust the pH. The specific base used is not critical as long as the pH is controlled.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es