<http://webisa.webdatacommons.org/prov/279033617>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/42106446> .
<http://webisa.webdatacommons.org/42106446>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<globalspec.com> .
<http://webisa.webdatacommons.org/prov/513257231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/42106446> .
<http://webisa.webdatacommons.org/42106446>	<http://www.w3.org/ns/prov#value>	"Purity standards for reagents and laboratory chemicals are set by organizations such as ASTM International or the American Chemical Society." .
<http://webisa.webdatacommons.org/42106446>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .