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Citation: TAN Yimeng, TANG Tao, YANG Sandong, XIA Mingzhu, WANG Fengyun, LI Tong. Supramolecular solvent-based direct extraction for the determination of polycyclic aromatic hydrocarbons in water[J]. Chinese Journal of Chromatography, ;2017, 35(9): 1003-1007. doi: 10.3724/SP.J.1123.2017.06004 shu

Supramolecular solvent-based direct extraction for the determination of polycyclic aromatic hydrocarbons in water

TAN Yimeng ^1, ,
TANG Tao ^1,2 ,
YANG Sandong ¹ ,
XIA Mingzhu ¹ ,
WANG Fengyun ¹ ,
LI Tong ²

1.
Institute of Industrial Chemistry, Nanjing University of Science & Technology, Nanjing 210094, China;
2.
Dalian Elite Analytical Instruments Co., Ltd., Dalian 116023, China

Received Date: 1 June 2017

Fund Project: National Natural Science Foundation of China (No. 51472121)

Supramolecular solvent (SUPRAS) is a nano-structured liquid generated from amphiphiles through a sequential self-assembly process. It is an efficient and excellent solvent for the sample extraction. In this paper, a method to directly extract and rapidly analyze polycyclic aromatic hydrocarbons (PAHs) in water samples by high performance liquid chromatography-fluorescence detection (HPLC-FLD) was developed. The composition and amount of SUPRAS were optimized and practical samples were tested. It indicated that the combination of tetrahydrofuran and 1-octanol was a suitable SUPRAS for the extraction of four PAHs with recoveries between 89.08% and 102.47% and relative standard deviations (RSDs) from 1.38% to 3.92% (n=5). Results showed a good linearity of four PAHs with the correlation coefficients (R²) more than 0.999. The limits of detection (LODs) ranged from 1.26 to 9.23 ng/L. The proposed pretreatment method greatly reduces the analysis time. And the solvent-less approach is in accordance with the development trend of green chemistry and of great application prospects.
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