About: http://webisa.webdatacommons.org/1554963

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	sodium or lithium, a salt of an alkaline earth metal such as magnesium or calcium, or a compound of a metal such as zinc or manganese may also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com