About: http://webisa.webdatacommons.org/448971267

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	and among these elements, carbon, nitrogen, iron and elements such as barium
http://www.w3.org/ns/prov#wasQuotedFrom	npl.co.uk