Abstract
The state of silicotungstic acid (STA) in the presence of inorganic salts (Fe2(SO4)3, SnCl2, and SnSO4) in aqueous solutions was studied by 183W NMR spectroscopy. Silicotungstic acid was found to retain its structure, and no new heteropoly compounds were formed. This finding proves the enhanced stability of STA toward complex formation at high acidities.
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Original Russian Text © A.V. Sulimov, A.L. Balashov, A.V. Ovcharova, T.A. Ryabova, 2018, published in Zhurnal Neorganicheskoi Khimii, 2018, Vol. 63, No. 8, pp. 1061–1064.
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Sulimov, A.V., Balashov, A.L., Ovcharova, A.V. et al. State of Silicotungstic Acid in Aqueous Solutions in the Presence of Inorganic Salts as Probed by NMR Spectroscopy. Russ. J. Inorg. Chem. 63, 1097–1099 (2018). https://doi.org/10.1134/S0036023618080223
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DOI: https://doi.org/10.1134/S0036023618080223