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題名 | 陽極製備銀(II)離子及銀(II)離子在水中分解速率之探討 |
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作者 | 李安成; | 書刊名 | 技術學刊 |
卷期 | 5:2 1990.06[民79.06] |
頁次 | 頁151-157 |
分類號 | 341.3723 |
關鍵詞 | 分解速率; 水中; 陽極; 銀離子; |
語文 | 中文(Chinese) |
中文摘要 | 本文研究在硝酸水溶液中陽極氧化銀(I)離子製備銀(II)離子氧化劑,及銀(II)離子在水中的分解速率。有系統地探討影響陽極氧化銀(I)離子的電流效率和銀(II)離子在水中分解速率之因素。實驗結果顯示:陽極氧化銀(I)離子生成銀(II)離子的電流效率隨銀(I)離子濃度和硝酸濃度之增加而增加,隨溫度及電流密度之增加而減少;銀(II)離子在水中之分解速率隨溫度和銀(II)離子濃度之增加而增加,隨硝酸濃度之增加而減少,但與銀(I)離子濃度無關。 |
英文摘要 | Silver (II) ion is a very good oxidant for the oxidation of organic compounds. The anodic generation of silver (II) ion and its decomposition in aqueous nitric acid were studied in this work. The factors which affect the current efficiency of producing silver (II) ion were obtained. The results showed that the current efficiency of producing silver (II) ion increased with increasing concentration of silver (I) ion or nitric acid, and decreased with increasing temperature and current density. Moreover, the decomposi-tion rate of silver (II) ion in aqueous nitric acid increased with increasing temperature and concentration of silver (II) ion, and decreased with increase-ing concentration of nitric acid, but is independent of the concentration of silver (I) ion. |
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