About: http://webisa.webdatacommons.org/281311290

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	Where the sample is an aqueous medium containing the analyte, the sample can account for some or all of the first medium or solution.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com