<http://webisa.webdatacommons.org/39603509>	<http://www.w3.org/ns/prov#value>	"He said one of the tests run on the substance was to determine if there were any mineral components, such as iron." .
<http://webisa.webdatacommons.org/prov/285493558>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/39603509> .
<http://webisa.webdatacommons.org/39603509>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/39603509>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<phys.org> .