About: http://webisa.webdatacommons.org/222262431

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	Preferred extracting agents are methanol, ethanol, n-propanol, isopropanol, acetone and butanone. [0015] Mixtures of the solvents with one another or with water are also suitable, for example in an amount of up to 20% by weight.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com