Antimonic acid - Antimony-san (English spelling)
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Antimony pentoxide is the name of the hydrate of Sb 2 O 5. It is produced by hydrolysis of hexachloroantimonic acid. 2HSbCl 6 +5H 2 O→Sb 2 O 5 +12HCl It is a colorless powder that is slightly soluble in water. When heated above 300°C, it loses oxygen and gradually changes to Sb 2 O 4. It is an amphoteric compound that reacts with both acids and alkalis. In aqueous solution, it is thought to take the form H + [Sb(OH) 6 ] - , but this is not certain. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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五酸化二アンチモン Sb2O5 の水和物の名称。ヘキサクロロアンチモン酸の加水分解によってつくられる。 2HSbCl6＋5H2O→Sb2O5＋12HCl 無色の粉末で，水にわずかに溶ける。 300℃以上に熱すると酸素を失い，徐々に Sb2O4 に変る。両性化合物で酸ともアルカリとも反応する。水溶液中では H+[Sb(OH)6]- の形をとると考えられるが，確定的ではない。 出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報 |
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