About: http://webisa.webdatacommons.org/99981522

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	Varying amounts of frothers, emulsifiers, and any other chemicals that may be necessary, in different stages of flotation may be used to advantage in order to achieve the best possible recovery and grade.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com