About: http://webisa.webdatacommons.org/128765729

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	Perchlorate was discovered with a multi-use sensor that detects perchlorate, nitrate and other ions.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org