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Синтез и исследование сорбционных свойств оксигидратов иттрия, полученных при разных концентрациях ПАВ

Синтез и исследование сорбционных свойств оксигидратов иттрия, полученных при разных концентрациях ПАВ

Abstract

The results of yttrium oxyhydrates sorption properties investigation are represented, which were obtained at various surfactant concentrations, various pH values, with and without thermal treatment. Surfactant concentration corresponds to various types of micelle formation. It has been found that sorptive capacity of yttrium ions increases steadily with the rise of surfactant amount in a mother solution and rise of synthesis pH. Thermal treatment of gels at 430 °С significantly heightens sorption properties of yttrium oxyhydrate, though in the samples obtained with the use of a surfactant, it results in the effect of decreasing yttrium ions sorptive capacity with the rise of sorbate concentration.

Представлены результаты исследования сорбционных свойств оксигидратов иттрия, полученных при разных концентрациях ПАВ, различных pH, с применением и без применения термообработки. Концентрации ПАВ соответствуют различным типам мицеллообразования. Установлено, что сорбируемость ионов иттрия монотонно увеличивается с повышением содержания ПАВ в маточном растворе и ростом pH синтеза. Термообработка гелей при 430 °С значительно повышает сорбционные свойства оксигидратов иттрия, но в образцах, полученных с применением ПАВ, приводит к возникновению эффекта снижения сорбируемости ионов иттрия с ростом концентрации сорбата.

Keywords

ОКСИГИДРАТ ИТТРИЯ, СИНТЕЗ С ПРИМЕНЕНИЕМ ПАВ, ТЕРМООБРАБОТКА ОКСИГИДРАТНЫХ СОРБЕНТОВ, НЕОРГАНИЧЕСКИЕ ПОЛИМЕРЫ, СОРБЦИОННЫЕ СВОЙСТВА

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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold