<http://webisa.webdatacommons.org/prov/121304096>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/78623456> .
<http://webisa.webdatacommons.org/78623456>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sumobrain.com> .
<http://webisa.webdatacommons.org/prov/368296493>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/78623456> .
<http://webisa.webdatacommons.org/prov/367806822>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/78623456> .
<http://webisa.webdatacommons.org/78623456>	<http://www.w3.org/ns/prov#value>	"As a desulfurizing agent, oxides such as iron oxide, zinc oxide or calcium oxide, or activated carbon, or adsorbent such as activated carbon surface-modified with basic agents is preferable." .
<http://webisa.webdatacommons.org/78623456>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .