Microwave-assisted extraction and ionic liquid-based dispersive liquid–liquid microextraction followed by HPLC for the determination of trace components in a Langdu preparation

2016 ◽  
Vol 8 (26) ◽  
pp. 5218-5227 ◽  
Author(s):  
Junmei Li ◽  
Qingwen Shi ◽  
Ye Jiang ◽  
Jinglin Gao ◽  
Mengjiao Li ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Phase Separation ◽  
Sample Solution ◽  
Microwave Assisted Extraction ◽  
Microwave Assisted ◽  
Assisted Extraction ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction ◽  
Trace Components

(A) Sample solution; (B) injection of extractant and dispersant into sample solution; (C) vortex-assisted formation of emulsion; (D) phase separation by centrifugation; and (E) collection of high-density extractant.

An efficient, sensitive and fast microextraction method followed by gas chromatography-mass spectrometry for the determination of polycyclic aromatic hydrocarbons in bread samples

2017 ◽  
Vol 9 (44) ◽  
pp. 6246-6253 ◽  
Author(s):  
Reza Rostampour ◽  
Mahdie Kamalabadi ◽  
Marzieh Kamankesh ◽  
Zahra Hadian ◽  
Sahar Jazaeri ◽  
...  
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Gas Chromatography Mass Spectrometry ◽  
Microwave Assisted Extraction ◽  
Microwave Assisted ◽  
Assisted Extraction ◽  
Polycyclic Aromatic ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

Microwave-assisted extraction and dispersive liquid–liquid microextraction (MAE–DLLME) coupled with GC-MS allowed the simultaneous determination of 16 polycyclic aromatic hydrocarbons (PAHs) in bread samples.

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