Polyampholyte Hydrogels Based on Aliphatic Diamines

Lipin, Vadim A.; Суставова, Т. А.; Petrova, Yu. A.

doi:10.1007/s10692-021-10230-0

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экспериментальная часть1

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2022

2024

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Cited by 3 publications

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“…Изучение равновесной сорбции ионов металлов полиамфолитными гидрогелями проводилось по методике работы [6]. Были приготовлены водные растворы CuSO 4 и NiSO 4 с концентрациями 10, 50, 100, 150, 200, 250 мг-экв/л.…”

Section: экспериментальная частьunclassified

Sorption of heavy metal ions by polyampholyte hydrogels

2022

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The ability of polyampholite hydrogels to form polymer-metal complexes, the structure of which was confirmed by IR spectroscopy, was studied. The results of equilibrium sorption treatment showed that Cu2+ and Ni2+ ions attach to the same active site, forming coordination complexes with Cu(II) and Ni(II) ions. It has been established that sorption proceeds according to the ion-exchange mechanism. It has been shown by thermogravimetry that the activation energy of the polymer-metal complexes PDA, BDA with Cu2+, and BDA with Ni2+ is reduced compared to the initial polymers.

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Section: экспериментальная частьunclassified