Hydrogen cyanide molecule. Molecular model of hydrogen cyanide (HCN),a colourless,poisonous chemical compound with a faint almond-like odour. It is used in explosives,tempering steel (a heat treatment to toughen the steel) and capital punishment. The cyanide ion prevents cellular respiration and a concentration of just 300 parts per million in the air can kill a human in a few minutes. It was used by the Nazis during the twentieth century as a method of mass murder. Atoms are colour-coded: hydrogen (white),carbon (grey) and nitrogen (purple) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Laguna Design |
Taille de l’image : | 4000 px × 4000 px |
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