About: http://webisa.webdatacommons.org/30546010

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	Cocaine is usually snorted as a hydrochloride salt, but it may be smoked as the ???free base??? or ???crack??? after alkalinizing the salt and extracting the base with nonpolar solvents such as ether.
http://www.w3.org/ns/prov#wasQuotedFrom	wikidoc.org