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KMID : 0370019920060000027
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Chung-Ang Journal of Pharmacal Sciences
1992 Volume.6 No. 0 p.27 ~ p.35
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Mercury Contents in Water and Fish from Keum River Basin
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Abstract
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To survey the background values and conditions of pollution originated from mercury compounds, water and fish samples were collected in 12 places of Keum river basin from August to September in 1989 and their total mercury contents were analyzed. Physico-chemical properties of water were determined at collection. The mercury in water sample was extracted with dithizone-benzene and fish samples were pretreated for direct combustion. Total mercury contents were detected by Quartz Tube Combustion-Gold Amalgamation Method using Flameless Atomic Absorption Spectrophoto-mery. Calibration curves were constructed by injection of standard solution for fish and standard addition method for water. Total mercury content of 10 species, 90 fish samples were averaged 0.126ppm and that of water was 0.188ppb. The fluctuation of the total mercury contents, their biologi-cal concentration ratios and physico-chemical properties of water would be discussed in this paper.
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