Abstract <p>The complex formation in a Fe(II)–Fe(III)–Gly–Na(H)ClO<sub>4</sub>–H<sub>2</sub>O system is studied by the method of Clark–Nikolsky oxidation potential at 308.15 K, <i>I</i> = 0.50, <i>C</i><sub>Fe(II)</sub> = <i>C</i><sub>Fe(III)</sub> = 1 × 10<sup>–3</sup>, and <i>C</i><sub>Gly</sub> = 2 × 10<sup>–3</sup> mol/L in a range of pH of 0.5–8.5. The experimental curves of the dependence of the EMF of the system on the concentration parameters such as pH, p<i>C</i><sub>Fe(III)</sub>, p<i>C</i><sub>Fe(II)</sub>, and p<i>C</i><sub>L</sub> are obtained. A method of successive approximations of theoretical and experimental oxidative functions is used for the calculation of the formation constants of the complexes with the use of the Excel program.</p>

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Glycinate Complexes and Models of Their Formation

  • Bobonazarzoda Gulrukhsor Bobonazar

摘要

Abstract

The complex formation in a Fe(II)–Fe(III)–Gly–Na(H)ClO4–H2O system is studied by the method of Clark–Nikolsky oxidation potential at 308.15 K, I = 0.50, CFe(II) = CFe(III) = 1 × 10–3, and CGly = 2 × 10–3 mol/L in a range of pH of 0.5–8.5. The experimental curves of the dependence of the EMF of the system on the concentration parameters such as pH, pCFe(III), pCFe(II), and pCL are obtained. A method of successive approximations of theoretical and experimental oxidative functions is used for the calculation of the formation constants of the complexes with the use of the Excel program.