<http://webisa.webdatacommons.org/422477495>	<http://www.w3.org/ns/prov#value>	"Add a hydroxyl here, a phosphate there, and react with various other chemicals to get the desired color, hardness, transparency or other properties." .
<http://webisa.webdatacommons.org/prov/426420472>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/422477495> .
<http://webisa.webdatacommons.org/422477495>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<toxicswatch.org> .
<http://webisa.webdatacommons.org/422477495>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/60719553>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/422477495> .