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Updated: Jun 4, 2025

Fabrication of a Dipole-assisted Solid Phase Extraction Microchip for Trace Metal Analysis in Water Samples
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Published on: August 7, 2016

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在米和水样本中使用NiCo-LDH-MXene纤维进行Hg(II) 的电力辅助固态微提取

Mahdi Golmohammadpour1, Zahra Ayazi2, Rahim Mohammad-Rezaei1

  • 1Electroanalytical Chemistry Research Laboratory, Faculty of Sciences, Azarbaijan Shahid Madani University, P.O. Box: 53714-161, Tabriz, Iran.

Food chemistry
|December 31, 2024
PubMed
概括

一种新的电力辅助固态微提取方法可以有效地检测水 (Hg) 在水和水中. 这种快速,灵敏和绿色的技术为食品和环境样本中的重金属分析提供了可靠的解决方案.

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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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Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
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