About: http://webisa.webdatacommons.org/51900818

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	The test chamber is evacuated through a mass spectrometer, which analyzes all material removed from the chamber, including the test gas and anything else.
http://www.w3.org/ns/prov#wasQuotedFrom	pernicka.com