2008•AFRICAN JOURNAL OF BIOTECHNOLOGYOpen access

The acute toxicity of lead nitrate on Daphnia magna Straus

A Altýndag, Mehmet Borga Ergönül, Sinan Yiğit, Özge Baykan

Abstract

In this study the acute toxicity of lead nitrate (Pb(NO3)2) to Daphnia magna Straus was investigated in a static bioassay. After 24 h the mobility of daphnids were examined and immobile ones were counted. The 24 h EC50 of lead nitrate to D. magna was found as 0.44 mg/L. According to Behrens-Karber method the 24 h EC50 of lead was found as 0.51 mg/L.

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Key concepts: Daphnia magna, EC50, Acute toxicity, Bioassay, Toxicity, Nitrate, Chemistry, Daphnia