Chemical Asphyxiant 1


Chemical Asphyxiant 1 : A chemical substance which causes suffocation by diffusing across the lung/blood barrier and interfering with the respiration process. Examples are carbon monoxide which combines with haemoglobin in preference to oxygen and prevents further oxygen take up in the blood by forming carboxy haemoglobin; and hydrogen cyanide which interferes with enzyme reactions preventing cellular respiration. See also: Simple Asphyxiants
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