FIXING METHOD FOR BORON AND FLUORINE AND FIXING AGENT COMPOSITION

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PROBLEM TO BE SOLVED : To provide a fixing method for boron and fluorine capable of certainly capturing and fixing boron and fluorine, and to obtain a fixing agent composition. SOLUTION : The fixing method for boron and fluorine is characterized in that at least one kind (A) selected from the group consisting of a compound of a rare-earth element and a compound of a group 4 element; and an aluminum compound (B) are added to an object to be treated and boron and/or fluorine in the object to be treated is fixed. The fixing agent for boron and fluorine comprises at least one kind (A) selected from the group consisting of the compound of the rare-earth element and the compound of the group 4 element; and the aluminum compound (B). COPYRIGHT : (C)2006, JPO&NCIPI