INFLUENCE OF CONCENTRATION PARAMETERS OF SOLUTION OF THE HOMOGENEOUS SYSTEM FE(II) - FE(III) - GLYCINE - NA(H)CLO4 - H2O ON THE COMPOSITION OF COMPLEXES FORMED
Abstract and keywords
Abstract (English):
Metodom okislitel'nogo potenciala Klarka-Nikol'skogo izucheny processy kompleksoobrazovaniya v sisteme Fe(II) – Fe(III) – glicin – Na(H)ClO4 – H2O pri temperature 308.16 K, ionnoy sile rastvora 0,75(Na(H)ClO4), SFe(III) = SFe(II) =1·10-3 i CGly = 3·10-3 mol'/l v intervale pH 0.5–8.5. Polucheny eksperimental'nye krivye zavisimosti EDS sistemy ot koncentracionnyh parametrov: rN, pCFe(III), pCFe(II), rSL. Pokaza-no, chto v izuchennoy sisteme formiruyutsya koordinacionnye soedineniya Fe(III) sostava: FeHL(H2O)5 3+, Fe(HL)2(H2O)4 3+, Fe2(HL)2(OH)2(H2O)8 4+, FeIIIFeII(HL)2(OH)2(H2O)8 3+, a takzhe Fe(II): Fe(HL)(H2O)5 2+, Fe(HL)(OH)((H2O)4 +, FeIFeIII(HL)2(OH)2(H2O)8 3+. Dlya rascheta konstant obrazovaniya kompleksov ispol'zovan metod posledovatel'nogo priblizheniya teoreticheskoy i eksperimental'noy okisli-tel'noy funkciy s primeneniem programmy Excel.

Keywords:
zhelezo (II), zhelezo (III), glicin, kompleksy, konstanta obrazovaniya, ionnaya sila, metod oksredmetriya, okislitel'naya funkciya
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