相关实验视频

Updated: Jul 15, 2025

Stable Aqueous Suspensions of Manganese Ferrite Clusters with Tunable Nanoscale Dimension and Composition

Stable Aqueous Suspensions of Manganese Ferrite Clusters with Tunable Nanoscale Dimension and Composition

Published on: February 5, 2022

Sm/Co磁性材料:使用可修改的疏水性基于三聚酸氧化物的深性溶剂的回收策略

Nikita A Milevskii¹, Inna V Zinov'eva¹, Arina V Kozhevnikova¹

¹Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 31, 119991 Moscow, Russia.

International journal of molecular sciences

|September 28, 2023

概括

研究人员通过改变键捐赠体来控制疏水性深溶剂 (HDES) 的选择性. 这项创新允许从废磁铁中量身定制地提取和等金属.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
分离科学分离科学

背景情况:

疏水性深层浸泡溶剂 (HDES) 是有效的提取剂.
通常情况下,第二个成分在HDES制剂中的作用被认为是惰性的,忽略了其对提取的影响.
这项研究研究了键捐赠体对HDES特性的影响.

研究的目的:

通过修改键供体来证明HDES选择性的控制.
探索"惰性"成分对HDES物理化学和提取特性的影响.
评估定制的HDES在从废物中分离关键金属方面的潜力.

主要方法:

对HDES特性进行实验分析.
谱学表征. 谱学表征. 在光谱学表征中.
计算建模. 计算建模.
提取实验使用,帕拉-特特-丁和醇作为与三氧化氧化物 (TOPO) 的键捐赠者.
(Sm) 和 (Co) 两对的分离.

主要成果:

键捐赠体的结构显著影响TOPO基HDES的提取能力.
提取Sm(III) 的提取效率以以下顺序增加: 硫醇:TOPO < 帕-特特-丁:TOPO < :TOPO.
证实HDES的物理化学和提取特性受到"惰性"成分的影响.

结论:

基于三聚氧化物 (TOPO) 的疏水性深性溶剂的选择性可以通过选择键供体来有效控制.
由TOPO和组成的HDES显示出将和从废旧SmCo磁铁的液体金工艺浸溶液中分离的潜力.

关键词:

在 SmCo 磁铁上.深层欧特克溶剂溶剂的使用金属分离器金属分离器溶剂提取提取溶剂提取三聚胺氧化物三聚胺氧化物

更多相关视频

Depolymerizable Olefinic Polymers Based on Fused-Ring Cyclooctene Monomers

Depolymerizable Olefinic Polymers Based on Fused-Ring Cyclooctene Monomers

Published on: December 16, 2022

Cell Labeling and Targeting with Superparamagnetic Iron Oxide Nanoparticles

Cell Labeling and Targeting with Superparamagnetic Iron Oxide Nanoparticles

Published on: October 19, 2015

相关概念视频

Extraction: Advanced Methods

Extraction: Advanced Methods

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...

Precipitation and Co-precipitation

Precipitation and Co-precipitation

Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...

Sample Preparation for Analysis: Advanced Techniques

Sample Preparation for Analysis: Advanced Techniques

Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...