Formation of Glycinate Complexes of Iron(II) at Different Ionic Strengths of Solution

Eshova, G. B.; Davlatshoeva, J. A.; Rakhimova, M. M.; Guriev, M. O.; Kvyatkovskaya, L. V.

doi:10.1134/s0036023618060098

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Table 1 Experimental Values Of Angular Coefficients Of Emf D...1

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2020

2023

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“…The table below shows that Fe(III) forms 5 coordination compounds of different composition: [Fe(Hasc)] 2+ ; [Fe(Hasc)] + ; [FeIIFeIII(Hasc)2(OH)2] + ; [FeAsc] + ; [Fe(HAsc)2] -. One heterovalent complex contains two hydroxyl [18,[13][14][15][16][17][18][19] groups and two HAscanions in the inner coordination sphere.…”

Section: Table 1 Experimental Values Of Angular Coefficients Of Emf D...mentioning

confidence: 99%

Study of the Composition and Model Parameters of Complexes Formed in Fe(II)-Fe(III)-Ascorbic Acid-Water Systems

Davlatshoeva,

Rakhimova,

Eshova

2023

E3S Web of Conf.

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The redox system Fe(II)-Fe(III)-ascorbic acid-water at 298.16 K and 0.5 mol/l solution ionic strength was studied by the Clark-Nikolsky redox potential method. It was found that five complexes of Fe(III) composition are formed in the system: [Fe(HAsc)]2+; [Fe(HAsc)]+; [FeIIFeIII(HAsc)2(OH)2]+; [FeAsc]+; [Fe(Asc)2]-and four coordination compounds Fe(II)-[Fe(HAsc)]+; [FeIIFeIII(HAsc)2(OH)2]+[Fe(HAsc)2]0; [Fe(Asc)]0. Models of ionic equilibria have been compiled, and the domination areas of the complexes have been determined.

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