Citation: Ji Ying SONG, Ming HOU, Li Xiang ZHANG. Determination of Mecruy at Trace Level in Natural Water Samples by Hydride Generation Atomic Absorption Spectrophotometry after Cloud Point Extraction Preconcentration[J]. Chinese Chemical Letters, ;2006, 17(9): 1217-1220. shu

Determination of Mecruy at Trace Level in Natural Water Samples by Hydride Generation Atomic Absorption Spectrophotometry after Cloud Point Extraction Preconcentration

1.
Science college, Laiyang Agricultural College, Qingdao 266109;
2.
Department of Material and Chemistry, Guilin University of Technology, Guilin 541004

Received Date: 20 March 2006

A method for the determination of trace mercury in water samples by hydride generation atomic absorption spectrophotometry after cloud point extraction was proposed in the present work.The effects of pH, concentration of surfactant, and equilibration time on cloud point extraction were discussed. The enhancement factor of 20 and the detection limit of 0.039 μg/L were obtained for mercury with relative standard deviation of 4.8% (n=11).
- Cloud point extraction,
- mercury,
- hydride generation atomic absorption spectrophotometry
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