…There are several modifications, but all are white solids that are poorly soluble in water. (1) α-alumina It occurs naturally as corundum. It is produced by burning aluminum metal or by heating aluminum hydroxide. … *Some of the terminology that mentions "α-alumina" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…いくつかの変態が存在するが,すべて白色の固体で水に難溶である。(1)α‐アルミナ 天然にはコランダムとして産出する。金属アルミニウムの燃焼,または水酸化アルミニウムの加熱によってつくられる。… ※「α-アルミナ」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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