About: http://webisa.webdatacommons.org/77881556

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	Solvents such as ethylacetate, acetone, and diethyl ether, were used as purchased, and others were purified by standard procedures as necessary.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com