<http://webisa.webdatacommons.org/prov/455912810>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/103755797> .
<http://webisa.webdatacommons.org/103755797>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/103755797>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/103755797>	<http://www.w3.org/ns/prov#value>	"In addition, ultrasonic oscillation is preferably applied to the solution including hydrochloric acid, sulfuric acid or nitric acid in the above treatment." .