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Article | REF: SE1601 V1

Ecotoxicology: behavior of chemical substances

Authors: Philippe LEMAIRE, Jacqueline BAKÈS

Publication date: April 10, 2007 | Lire en français

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    3. Behavior of substances in the environment

    Three essential factors control the fate of a substance in an ecosystem: distribution, persistence and transfer along the trophic chain.

    3.1 Distribution

    The distribution of a substance will depend on where it enters the ecosystem: airborne or aquatic. Substances can thus be confined to one compartment or redistributed according to their physico-chemical properties (more or less soluble, lipophilicity, Henry's law constant, vapor pressure, volatility...).

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    3.2 Persistence

    ...

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