<http://webisa.webdatacommons.org/prov/496387517>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239217465> .
<http://webisa.webdatacommons.org/239217465>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/239217465>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/prov/122652867>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239217465> .
<http://webisa.webdatacommons.org/239217465>	<http://www.w3.org/ns/prov#value>	"nature of the experimental or other work being conducted, ordinary single-distilled water being satisfactory in some instances and ultra high purity water being required in others." .