<http://webisa.webdatacommons.org/prov/102308049>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/146800009> .
<http://webisa.webdatacommons.org/146800009>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/146800009>	<http://www.w3.org/ns/prov#value>	"Sodium or potassium silicates and other alkali metal silicates can be used, but sodium silicate is preferred because it is most economical to use." .
<http://webisa.webdatacommons.org/prov/59425077>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/146800009> .
<http://webisa.webdatacommons.org/146800009>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com.au> .