Abstract
Potentio- and conductometric titration was used to study the interaction in sulfur(IV) oxide-ethanolamines-water systems in comparison with the previously obtained pH-metric data on how the corresponding onium sulfites, hydrosulfites, and pyrosulfites are formed. The ionic and molecular compositions of these solutions were calculated. Correlations between the characteristics of pH-metric titration curves of aqueous solutions of ethanolamines with sulfur(IV) oxide and the relative stability of onium sulfates were revealed.
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Original Russian Text © R.E. Khoma, A.A. Shestaka, V.O. Gel’mbol’dt, 2012, published in Zhurnal Prikladnoi Khimii, 2012, Vol. 85, No. 11, pp. 1656–1665.
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Khoma, R.E., Shestaka, A.A. & Gel’mbol’dt, V.O. On interaction of sulfur(IV) oxide with aqueous solutions of ethanolamines. Russ J Appl Chem 85, 1667–1675 (2012). https://doi.org/10.1134/S1070427212110067
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DOI: https://doi.org/10.1134/S1070427212110067