About: http://webisa.webdatacommons.org/172775231

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	Such a salt is a by-product when the product of this invention is further reduced to metal, and it usually contains a few percent of the lower halides of the refractory metals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com