Interaction of Iron(III) with Succinic Acid and Certain Amino Acids

IF 1.8 3区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Russian Journal of Inorganic Chemistry Pub Date : 2024-07-03 DOI:10.1134/s0036023623602982

N. A. Skorik, O. A. Vasilyeva, A. P. Lakeev

引用次数: 0

Abstract

The interaction in double and triple systems containing Fe³⁺ ion and biologically active compounds—succinic acid and/or certain amino acids (aminoacetic, glutamic, or aspartic)—have been studied by spectrophotometry, pH-potentiometry, and solubility. Composition and stability constants of homo- and mixed-ligand complexes at ionic strength I = 0.3 have been determined; iron(III) succinate with the composition of Fe₂Suc₃∙3H₂O has been isolated, solubility constant of the salt log K_S = –27.74 ± 0.12 has been determined using its solubility data. Redox process proceeded in time has been revealed in iron(III)–succinate anion system.

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铁（III）与丁二酸和某些氨基酸的相互作用

摘要通过分光光度法、pH-电位法和溶解度法研究了含有 Fe3+ 离子和生物活性化合物（琥珀酸和/或某些氨基酸（氨基乙酸、谷氨酸或天冬氨酸））的双重和三重体系中的相互作用。确定了离子强度 I = 0.3 时同配体和混合配体复合物的组成和稳定常数；分离出了组成为 Fe2Suc3∙3H2O 的琥珀酸铁（III），并利用其溶解度数据确定了该盐的溶解度常数 log KS = -27.74 ± 0.12。铁（III）-琥珀酸阴离子体系中的氧化还原过程已被揭示出来。

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来源期刊

Russian Journal of Inorganic Chemistry 化学-无机化学与核化学

CiteScore

3.10

自引率

38.10%

发文量

237

审稿时长

3 months

期刊介绍： Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.