About: http://webisa.webdatacommons.org/321613730

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	It should be noted that the second substance is preferably a substance that vaporizes at room temperature, e.g. carbon dioxide or argon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com