Abstract
Low-molecular-mass lignosulfonates (M w = 9250 amu) are adsorbed more strongly onto ZnS from neutral solutions (pH 4.5–4.8), and high-molecular-mass lignosulfonates (M w = 46300 rpm), from acid solutions (pH 1.4–1.5). The sorption of the low-molecular-mass sample at pH 1.5 is affected by competing sorption of the solvent (Н2SO4). The lignosulfonate samples studied are adsorbed onto zinc sulfide by the chemisorption mechanism.
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Original Russian Text © T.N. Lugovitskaya, K.N. Bolatbaev, S.S. Naboichenko, 2016, published in Zhurnal Prikladnoi Khimii, 2016, Vol. 89, No. 11, pp. 1465−1471.
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Lugovitskaya, T.N., Bolatbaev, K.N. & Naboichenko, S.S. Relationships of lignosulfonate adsorption onto the zinc sulfide surface. Russ J Appl Chem 89, 1831–1837 (2016). https://doi.org/10.1134/S1070427216110148
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DOI: https://doi.org/10.1134/S1070427216110148