Beyond Benign


Lab: Daphnia Bioassay

In this lab, a bioassay is performed on salts that are used for road de-icing. The lab demonstrates the concept of LD50, or the lethal dose of a chemical that kills 50% of a particular organism when 100% of the organisms are exposed. Concepts: bioassays, toxicology, LD50

Developed by Beyond Benign

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