About: http://webisa.webdatacommons.org/19907441

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	In this regard, trace elements such as impurities may not be taken into account.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es