Method for purifying material containing metalloid element...

C - Chemistry – Metallurgy – 01 – B

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C01B 33/037 (2006.01) C22B 9/10 (2006.01) C22B 15/14 (2006.01) C22B 23/06 (2006.01) C22B 41/00 (2006.01)

Patent

CA 2733647

It is possible to efficiently obtain a purified material from a material containing a metalloid element such as silicon or metal element as the main component, and an impurity. The method for purifying a material, comprising bringing a material containing a metalloid element or metal element as the main component, and an impurity into contact with a compound represented by the following formula (1): A1X3 (1) wherein X is a halogen atom; to remove the impurity from the material.

La présente invention concerne la production avec un rendement élevé dun matériau purifié à partir d'un matériau qui contient un élément métalloïde (par exemple, du silicium), ou un élément métallique en tant que composant principal, et qui contient également des impuretés. L'invention porte sur un procédé de purification d'un matériau qui contient un élément métalloïde ou un élément métallique en tant que composant principal et qui contient également des impuretés, ledit procédé comprenant la mise en contact du matériau avec un composé représenté par la formule générale (1) pour éliminer toute impureté du matériau. AlX3 (1) [Dans la formule, X représente un atome d'halogène].

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