About: http://webisa.webdatacommons.org/385645227

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 pH adjustment of step d. is preferably carried out with a concentrated basic hydroxide solution of the formula MOH, where M is an alkali metal or ammonium cation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es