About: http://webisa.webdatacommons.org/415118409

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	Sample atmosphere: nitrogen, argon, helium, carbon dioxide, air, oxygen or other inert or reactive gasses
http://www.w3.org/ns/prov#wasQuotedFrom	ts-rc.eu