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Title: Hydroxo-complexes formation in Al[3+] – Mn[2+] – NO[3]{-} – H[2]O system
Authors: SokolovskI, A. E.
Radion, Е. V.
Keywords: гидроксильные комплексы
Issue Date: 2012
Publisher: BSTU
Citation: SokolovskI, A. E. Hydroxo-complexes formation in Al[3+] – Mn[2+] – NO[3]{-} – H[2]O system / A. E. SokolovskI, Е. V. Radion // Proceedings of BSTU. Issue 3 : Chemistry and technology of inorganic substances. – Minsk : BSTU, 2012. – P. 78-80
Description: The hydrolysis process in Al3+ – Mn2+ – NO3 – – H2O system has been studied by potentiometric titration and dialysis methods. The experimental data have been obtained under the following conditions: metal ions concentration – 0.01 mol/l, molar ratio Al3+ : Mn2+ = 1 : 1, ionic strength – 0.3 mol/l (NaNO3), temperature – (25 ± 0.1) °C, pH-range – 1.7–4.0. The distribution of different Al (III) and Mn (II) forms depending upon pH value of the solution in the sphere preceding hydroxidic precipitatin fall out has been calculated. It has been established that ions Al (III) form homopolynuclear hydroxocomplexes. Heteropolynuclear hydroxo-complexes of Al (III) and Mn (II) have not been found.
Appears in Collections:2012, № 3

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