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. 2015 Apr 10;5:9674. doi: 10.1038/srep09674

Figure 1. Development of acute toxicity testing medium for Daphnia magna.

Figure 1

Mortality of Daphnia magna in NaNO3 solutions at concentration over the range of 0.05–10 mmol L−1 (pH 7.8 ± 0.2 adjusted by NaOH) in several time intervals during 48-h exposure. Error bars represent the standard deviation from 6 parallels.