Binary mixed solvent-based solvent demulsification-dispersive liquid-liquid microextraction coupled with gas chromatography-tandem mass spectrometry in determination of polycyclic aromatic hydrocarbons in water samples

2017 ◽  
Vol 9 (12) ◽  
pp. 1855-1863 ◽  
Author(s):  
Jing Zhu ◽  
Qian Wang ◽  
Mingxin Li ◽  
Lin Ren ◽  
Bo Zheng ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Aromatic Hydrocarbons ◽  
Water Samples ◽  
Mixed Solvent ◽  
Tandem Mass ◽  
Chromatography Tandem Mass Spectrometry ◽  
Polycyclic Aromatic ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

A method of binary mixed solvent-SD-DLLME with GC-MS/MS was developed for the determination of PAHs in water samples.

Determination of UV-327 and its metabolites in human urine using dispersive liquid-liquid microextraction and gas chromatography-tandem mass spectrometry

2021 ◽  
Vol 13 (35) ◽  
pp. 3978-3986
Author(s):  
Corinna Fischer ◽  
Thomas Göen
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Tandem Mass Spectrometry ◽  
Human Urine ◽  
Tandem Mass ◽  
Extraction Solvent ◽  
Chromatography Tandem Mass Spectrometry ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

A method is presented for the extraction of the UV stabilizer UV-327 and its metabolites from urine with acetonitrile (disperser solvent) and chloroform (extraction solvent), followed by instrumental analysis of the trimethylsilylated analytes.

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