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Phase state of aqueous solutions of acrylamide–sodium acrylate copolymers in the presence of copper, zinc, and manganese ions


Introduction of copper(II), zinc(II), and manganese(II) ions into aqueous solutions of acrylamide–sodium acrylate copolymer leads to phase separation. The position of the boundary between the liquid phase and the precipitate is determined by the copolymer composition, its concentration in solution, and nature and concentration of the ion being introduced.

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Correspondence to E. K. Fomina.

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Original Russian Text © E.K. Fomina, L.P. Krul’, E.V. Grinyuk, 2015, published in Zhurnal Prikladnoi Khimii, 2015, Vol. 88, No. 9, pp. 1359-1363.

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Fomina, E.K., Krul’, L.P. & Grinyuk, E.V. Phase state of aqueous solutions of acrylamide–sodium acrylate copolymers in the presence of copper, zinc, and manganese ions. Russ J Appl Chem 88, 1500–1504 (2015).

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  • Phase Separation
  • Carboxylate Group
  • Copolymer Concentration
  • Chelate Form
  • Sodium Acrylate