About: http://webisa.webdatacommons.org/72602682

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	The solution is maintained with an excess alkalinity by adding a material such as sodium hydroxide to bring the alkalinity to at least about 0.01 equiv./liter.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com