About: http://webisa.webdatacommons.org/400845140

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	A mass spectrometer is a device that permits rapid analysis of an unknown gas sample.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com