About: http://webisa.webdatacommons.org/141373859

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	By introducing samples of a solution, i.e., about 50 ??L to about 1000 ??L, with a trace metal, such as lead, to chamber 22 containing transducer device 24, the amount of trace metal present can be determined.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com