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Updated: Jul 19, 2025

Removal of Arsenic Using a Cationic Polymer Gel Impregnated with Iron Hydroxide
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Published on: June 28, 2019

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(IV) 基酸盐基凝复合物,用于从水溶液中有效吸附性去除酸盐 (V)

Łukasz Wujcicki1, Tomasz Mańdok1, Wiktoria Budzińska-Lipka1

  • 1Faculty of Chemistry, Silesian University of Technology, Ks. M. Strzody 9, 44-100, Gliwice, Poland.

Scientific reports
|August 11, 2023
PubMed
概括

一种新型的 (IV) 修饰的奇托水凝 (Ce-CTS) 有效地去除了98%以上的 (V) 离子. 这种可持续吸附剂的效率比未经修改的奇托提高了4倍,为净化水提供了有前途的解决方案.

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相关概念视频

Factors Affecting Solubility04:01

Factors Affecting Solubility

Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:
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Ion-Exchange Chromatography

Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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