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<http://webisa.webdatacommons.org/prov/350937457>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/99193065> .
<http://webisa.webdatacommons.org/99193065>	<http://www.w3.org/ns/prov#value>	"Examples of strong sources of alkalinity are alkali metal hydroxides, such as potassium and/or sodium hydroxide, or alkali metal oxides such as sodium and/or potassium oxide." .
<http://webisa.webdatacommons.org/99193065>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .