About: http://webisa.webdatacommons.org/85383262

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 solvents should be selected depending on the matter to be removed, e.g. copper may be removed using a solution of ammonia or ammonia salts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com