IYPT 2019 Elements 033: Arsenic: Poison and poultry feed

Element 33 in our International Year of the Periodic Table series is arsenic. Well known for its use as a poison, compounds of arsenic are also used to treat wood, while other arsenic-containing substances were previously used in poultry feed. Arsenic’s best-known use is as a poison. Most often arsenic trioxide was used for poisoning, […]


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