| http://www.w3.org/ns/prov#value | - The binder which may be used with the alumina hydrate in the present invention may be selected from water-soluble polymers, including preferably polyvinyl alcohol and modifications thereof (cation-modified, anion-modified, and silanol-modified), starch and modifications thereof (oxidized, and etherified), gelatin and modifications thereof, casein and modifications thereof, gum arabic, cellulose de
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