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1982•International Journal of Environmental & Analytical ChemistryRequires access

The Cumulation of Zinc and Cadmium in Fish (Poecilia reticulata)

J. Starý, K. Kratzer, B. Havlík, J. Prášilová, J. Hanušová

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Abstract

Zinc-65 and cadmium-115 m were used for the investigation of the uptake and the release of zinc and cadmium in fish. It has been found that the uptake of these elements directly from water is relatively low. Zinc and cadmium, consumed by fish in food, are released with the biological half-time 0.25 +/- 0.05 days (94%) and 65 +/- 9 days (6%) for zinc, 0.25 +/- 0.05 days (98.5%) and 36 +/- 6 days (1.5%) for cadmium. The comparison with data obtained for mercury species shows that the cumulation of these elements in fish increases in the order cadmium, zinc, inorganic mercury (II), phenylmercury and methylmercury.

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What this paper is about

Zinc-65 and cadmium-115 m were used for the investigation of the uptake and the release of zinc and cadmium in fish. It has been found that the uptake of these elements directly from water is relatively low. Zinc and cadmium, consumed by fish in food, are released with the biological half-time 0.25 +/- 0.05 days (94%) and 65 +/- 9 days (6%) for zinc, 0.25 +/- 0.05 days (98.5%) and 36 +/- 6 days (1.5%) for cadmium. The comparison with data obtained for mercury species shows that the cumulation of these elements in fish increases in the order cadmium, zinc, inorganic mercury (II), phenylmercury and methylmercury.

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Available abstract

Zinc-65 and cadmium-115 m were used for the investigation of the uptake and the release of zinc and cadmium in fish. It has been found that the uptake of these elements directly from water is relatively low. Zinc and cadmium, consumed by fish in food, are released with the biological half-time 0.25 +/- 0.05 days (94%) and 65 +/- 9 days (6%) for zinc, 0.25 +/- 0.05 days (98.5%) and 36 +/- 6 days (1.5%) for cadmium. The comparison with data obtained for mercury species shows that the cumulation of these elements in fish increases in the order cadmium, zinc, inorganic mercury (II), phenylmercury and methylmercury.

Key concepts: Cadmium, Zinc, Mercury (programming language), Methylmercury, Chemistry, Environmental chemistry, Fish <Actinopterygii>, Bioaccumulation

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