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- W2355953011 abstract "To determine trace amount of PAHs and OCPs in surface water a method was developed using gas chromatography/mass spectrometry with automatic solid-phase extraction. The steps elucidated in this paper were to adjust pH of the water sample to pH2,and add 1% methanol,then enrich the sample by C18extraction cartridge;thereafter,PAHs and OCPs absorbed in the cartridge was eluted by 3 mL acetone plus 3 mL dichloromethane;the sample being concentrated, analysis was conducted by gas chromatography/mass spectrometry using the all-scan mode,and selective ion mass was used in quantitative measurement. Results of the experiment were limits of detection ranged from 0.026 to 8.772 ng/L;when average spiked recoveries for the fishery products at the spiked level attained 0.1 μg/L,ranging from 74.8% to 109%,RSD ranged from 0.01% to 14.5%. It was concluded that the method thus set up was rapid,accurate,sensitive and reliable,and could meet the requirement for analyzing persistent organic pollutants in surface water." @default.
- W2355953011 created "2016-06-24" @default.
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- W2355953011 date "2014-01-01" @default.
- W2355953011 modified "2023-09-27" @default.
- W2355953011 title "Determination of PAHs and OCPs in Surface Water by Gas Chromatography/Mass Spectrometry with Automatic Solid-phase Extraction" @default.
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