- 作者: 劉春櫻; 張慧榮; 汪素香; 孫炳榕
- 作者服務機構: Department of Chemistry, National Taiwan University
- 中文摘要:
Three kinds of aliphatic hydroxamic acids, i.e. , acetohydroxamic acid, n-butyrohydroxamic acid, and sorbohydroxamic acid have been prepared as free acids and potassium salts. Their acid dissociation constants and the formation constants of complexes formed by some bivalent metal ions of the first transition element (Mn, Co, Ni, Cu, Zn) with these three chelating agents in aqueous solution have been determines by using potentiometric titration technique at ionic strength of 0.1M by sodium perchlorate and at a temperature of 25℃±0.1°. The stability of the transition metal ion complexes with these aliphatic hydroxamic acids is in the order Mn
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