Venable LLP
Method for producing ammonium tungstate aqueous solution
A method for producing an ammonium tungstate aqueous solution includes the steps of: adding sulfuric acid to a solution containing tungstate ions; bringing the solution having the sulfuric acid added therein, into contact with an anion exchange resin; and bringing the anion exchange resin into contact with an aqueous solution containing ammonium ions.
Sumitomo Electric Hardmetal Corp. Sumitomo Electric Industries, Ltd. A.L.M.T. Corp. National University Corporation Nagoya University
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G10L G10L C01G C01P G10L
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Fumiatsu Akihiko Takuya Takeshi Yoshiharu Hideaki Kazuo Syunsuke
Sato Ikegaya Okuno Itakura Yamamoto Ito Sasaya Yamanaka