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- W2381014449 abstract "A novel method for the determination of trace mercury in waters by dispersive liquid-liquid microextraction(DLLME) coupled with spectrophotometry has been developed.The preposed method uses thio-Michlers ketone(TMK) as a chelating agent for mercury and carbon tetrachloride as an extraction solvent,acetone as a disperser.The parameters for determination of mecury were optimized including the pH of solution,the chelating agent for mecury,the types and dosages of extraction solvent,dispersant and the extraction time.Under the optimum conditions,the calibration curves were linear in the concentration range 110~420 ng/mL for mecury with the correlation coefficient of 0.9981.The detection limit was 55 ng/mL and the relative standard deviation(RSD) 8.3%(n=8).The method was used to determine trace mercury in water samples with the recoveries in the range of 92.0%~108.0%.It exhibited a sensitive,rapid and easy-to-use method for the fast determination of trace mecury in water samples with high accuracy demonstrating its potential for practical application." @default.
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- W2381014449 date "2011-01-01" @default.
- W2381014449 modified "2023-09-26" @default.
- W2381014449 title "Determination of Trace Mercury in Waters by Spectrophotometry With Dispersive Liquid-liquid Microextraction" @default.
- W2381014449 hasPublicationYear "2011" @default.
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