About: http://webisa.webdatacommons.org/54360437

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	Industrial grade CO2 is 99% pure CO2, also containing impurities such as hydrocarbons or nitrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com