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    In this activity, students are introduced to the interactive What killed the dogs? After working through the interactive, they consider the processes used by the toxicology scientists a little more closely.

    By the end of this activity, students should be able to:

    • identify a given toxin using known chemical structures
    • explain what a molecular formula is
    • explain in simple terms how liquid chromatography-mass spectrometry (LC-MS) can be used to detect toxins
    • show an understanding of the concept of LD50

    Download the Word file for:

    • introduction/background notes
    • what you need
    • what to do
    • student handouts.
      Published 4 September 2012 Referencing Hub articles