About: http://webisa.webdatacommons.org/384621281

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	It should be understood that these materials are used in their natural form or as salts thereof, such as the sodium, or lithium salt.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk