Determination of twelve synthetic musk compounds in estuary and coastal areas near Han River of Korea by improved liquid-liquid extraction coupled with GC/MS

Conventional liquid-liquid extraction coupled with gas chromatography/mass spectrometry (GC/MS) was improved for the determination of twelve synthetic musk compounds (SMs) in water samples by consideration of pH and organic solvents for extraction. Samples collected from eleven different points of t...

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Bibliographic Details
Published in:International journal of environmental analytical chemistry 2023-12, Vol.103 (20), p.8658-8669
Main Authors: Jo, Jungmin, Lee, Ji Yi, Lee, Ha Eun, Son, Young Gyu, Yoo, Jae Won, Ahn, Dong-Sik, Ahn, Yun Gyong
Format: Article
Language:English
Subjects:
Analytical methods
Chromatography
coastal area
Coastal zone
Coasts
Detection
Dichloromethane
Estuaries
Estuarine dynamics
Gas chromatography
gas chromatography/mass spectrometry (GC/MS)
Han River
Liquid-liquid extraction
Liquid-liquid extraction (LLE)
Mass spectrometry
Mass spectroscopy
Organic solvents
pH effects
Rivers
Seasonal distribution
Solvent extraction
synthetic musk compounds (SMs)
Water analysis
Water sampling
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Summary:Conventional liquid-liquid extraction coupled with gas chromatography/mass spectrometry (GC/MS) was improved for the determination of twelve synthetic musk compounds (SMs) in water samples by consideration of pH and organic solvents for extraction. Samples collected from eleven different points of the Han River estuary and a coastal area were analysed, and the overall concentration of SMs downstream of the Han River was higher than of the coastal area. The extraction efficiencies were above 74% for the twelve SMs from three different classes when using the optimum pH and extraction with dichloromethane (DCM). Results for method detection limit (MDL), method quantification limit (MQL)and recovery obtained by the established analytical method showed that it is adequate for the determination of SMs in real samples. Among the SMs, Galaxolide (HHCB) and Iso E Super (OTNE) had the highest concentrations and detection frequencies. By using the established analytical method, our study showed regional and seasonal distribution of SMs originated from the Han River in estuary and coastal areas.
ISSN:0306-7319
1029-0397
DOI:10.1080/03067319.2021.1995723