About: http://webisa.webdatacommons.org/28082072

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	Specific examples of carrier gases include carbon dioxide, oxygen, ozone, nitrous oxide, hydrogen peroxide, helium, argon, and other inert gases
http://www.w3.org/ns/prov#wasQuotedFrom	google.com