相关实验视频
Updated: Jul 12, 2025

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Preparation of Binary and Ternary Deep Eutectic Systems
Published on: October 31, 2019
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选择性提取阳离子和阴离子染料,使用量身定制的疏水性深性溶剂
Kai Chen1, Huiru Dong1, Ziyi Ni1
1Anhui Laboratory of Clean Energy Materials and Chemistry for Sustainable Conversion of Natural Resources, College of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, 241000, PR China.
Talanta
|October 20, 2023
概括
疏水性深度浸泡溶剂 (DES) 用于旋辅助液体-液体微提取 (LLME) 进行选择性染料分离. 离子DES可以提取阳离子染料,而非离子DES可以提取高效率的阴离子染料.
科学领域:
- 分析化学 分析化学
- 绿色化学 绿色化学
背景情况:
- 深度环氧溶剂 (DES) 为分离科学提供了可调节的特性.
- 旋辅助液-液微提取 (LLME) 是一种高效的样品制备技术.
- 阴离子和阴离子染料的选择性分离仍然是一个挑战.
研究的目的:
- 为螺旋辅助LLME准备和评估疏水性离子和非离子DES.
- 通过使用这些DES,研究阴离子和阴离子染料的选择性提取.
- 阐明提取机制并评估分析性能.
主要方法:
- 制备八种疏水性DESs (四种离子,四种非离子).
- 在旋辅助液体-液体微提取 (LLME) 中应用DES.
- 对阳离子 (tartrazine,黄) 和阴离子 (phenosafranine,甲蓝) 染料的分析.
- 使用FT-IR和1HNMR光谱的机制调查.
主要成果:
- 离子DES选择性地提取了离子染料,为tartrazine实现了99.3%的效率.
- 非离子的DES选择性地提取了阴离子染料,达到99.9%的色素分离率.
- 达拉津的低检测极限 (0.06μg mL-1) 和定量 (0.20μg mL-1) 已实现.
- 结合和静电力被确定为关键的提取机制.
结论:
- 疏水性DES在通过LLME分离离离子和阴离子染料方面表现出极好的选择性.
- 开发的方法提供了高提取效率,可行的操作和选择性.
- 这种方法为染料分离和分析提供了一个有吸引力的替代方案.
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