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<http://webisa.webdatacommons.org/prov/429171401>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/339953822> .
<http://webisa.webdatacommons.org/339953822>	<http://www.w3.org/ns/prov#value>	"For example, butanol can be isolated from a supernatant fraction by adding organic solvents such as ethyl acetate and methanol to such supernatant fraction and thoroughly agitating the mixture." .
<http://webisa.webdatacommons.org/prov/345069535>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/339953822> .
<http://webisa.webdatacommons.org/339953822>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freshpatents.com> .