About: http://webisa.webdatacommons.org/453799550

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	Anything that was purified by cutting out everything mixed with it until there was nothing that could be separated from it any more was an element, such as gold, or sulfur, or iron, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	tentmaker.org