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<http://webisa.webdatacommons.org/207894388>	<http://www.w3.org/ns/prov#value>	"ueous solution of a soluble metal silicate, ordinarily alkali metal silicate such as sodium silicate, and an acid so that colloidal particles will grow in weakly alkalinesolution and be coagulated by the alkali metal ions of the resulting soluble alkali metal salt." .
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