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Acute toxicity of mercury, zinc, lead, cadmium, manganese to thechironomus sp

Deepa Rao, A. B. Saxena

Open publisher page 25 citations

Abstract

Acute toxicity tests conducted with Chironomid larvae (Genus: Tendipes) on the effect of five heavy metals (Hg++, Cd++, Zn++, Pb++ and Mn++) reveal that the toxicity intensity is in the order of Hg++ > Cd++ > Pb++ > Zn++ > Mn++. The studies further indicate that Hg++ exerts its toxicity even at very low concentrations. The LC 50 values for 48 hour period have been determined and tolerance of the larvae to Mn++ suggested.

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What this paper is about

Acute toxicity tests conducted with Chironomid larvae (Genus: Tendipes) on the effect of five heavy metals (Hg++, Cd++, Zn++, Pb++ and Mn++) reveal that the toxicity intensity is in the order of Hg++ > Cd++ > Pb++ > Zn++ > Mn++. The studies further indicate that Hg++ exerts its toxicity even at very low concentrations. The LC 50 values for 48 hour period have been determined and tolerance of the larvae to Mn++ suggested.

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Available abstract

Acute toxicity tests conducted with Chironomid larvae (Genus: Tendipes) on the effect of five heavy metals (Hg++, Cd++, Zn++, Pb++ and Mn++) reveal that the toxicity intensity is in the order of Hg++ > Cd++ > Pb++ > Zn++ > Mn++. The studies further indicate that Hg++ exerts its toxicity even at very low concentrations. The LC 50 values for 48 hour period have been determined and tolerance of the larvae to Mn++ suggested.

Key concepts: Mercury (programming language), Cadmium, Zinc, Toxicity, Manganese, Environmental chemistry, Chemistry, Acute toxicity

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