海水中铜(Ⅱ)-固体粒子-氨基酸相互作用的红外光谱研究

王修林; 张正斌; 刘莲生

海水中铜(Ⅱ)-固体粒子-氨基酸相互作用的红外光谱研究

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出版历程
- 收稿日期: 1990-01-05
- 修回日期: 1992-05-20

摘要

摘要: 本文测定了“氨基酸-CU(Ⅱ)-氧化物、粘土、碳酸钙”体系的红外光谱.结果表明:(1)对于“氨基酸-固体粒子”体系,吸附态氨基酸通过其-NH₃⁺基团,而不是-COO^-,与表面羟基缔合.(2)对于“氨基酸-Cu(Ⅱ)”表面络合物,氨基酸之-NH₃⁺与表面羟基缔合,而-COO^-与Cu(Ⅱ)络合,形成S-AA-Cu表面三元络合物.(3)随着Cu(Ⅱ)交换量增加,固体粒子-氨基酸-Cu(Ⅱ)之间的相互作用使表面缔合羟基发生分级变化.
- 铜(Ⅱ) /
- 氨基酸 /
- 红外光谱 /
- 海洋固体粒子 /
- 表面三元络合物

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