Synthesis and application of magnetic deep eutectic solvents: Novel solvents for ultrasound assisted liquid-liquid microextraction of thiophene

被引：86
|
作者：
Khezeli, Tahere [1 ]
Daneshfar, Ali [1 ]
机构：
[1] Ilam Univ, Dept Chem, Fac Sci, Ilam 69315516, Iran
来源：
ULTRASONICS SONOCHEMISTRY | 2017年 / 38卷
关键词：
GC-FID; Magnetic deep eutectic solvents; Thiophene; Ultrasound assisted liquid-liquid; microextraction; POLYCYCLIC AROMATIC-HYDROCARBONS; IONIC LIQUIDS; SULFUR-COMPOUNDS; PHASE MICROEXTRACTION; PHENOLIC-COMPOUNDS; EXTRACTION; EFFICIENT; DYES; NANOPARTICLES; SEPARATION;
D O I：
10.1016/j.ultsonch.2016.08.023
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Two novel magnetic deep eutectic solvents (MDESs), comprised of cheap and simple components named [choline chloride/phenol] [FeCI4] and [choline chloride/ethylene glycol] [FeCI4] were prepared and characterized by CHN elemental analysis, proton nuclear magnetic resonance (H-1 NMR), vibrating sample magnetometery (VSM), Raman, Fourier transform-infrared (FT-IR) and UV-Vis spectrometery. The extraction efficiency of the prepared MDESs has been investigated in ultrasound assisted liquid-liquid microextraction based MDES (UALLME-MDES). Briefly, MDESs were added to n-heptan containing thiophene. Then, MDESs were dispersed in n-heptane by sonication. After that, microdroplets of MDESs were collected by a magnet and the remained concentration of thiophene in n-heptane phase was analyzed by GC-FID. The results indicated that [choline chloride/phenol] [FeCI4] has higher extraction efficiency than [choline chloride/ethylene glycol] [FeCI4]. This work opens a new way to the application of MDESs. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：590 / 597
页数：8
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