Hydrogen sulphide is not merely a smelly nuisance from stink bombs or rotten eggs. It is a highly toxic gas which interferes with cellular respiration just like carbon monoxide and hydrogen cyanide. It is not simply a byproduct of some chemical processes but it can arise from some other sources eg decomposition of organic matter such as sewage which in some instances has generated highly toxic, even fatal concentrations
Health Effects:
Hydrogen Sulphide is a potent chemical asphyxiant, combining with haemoglobin in red blood cells and with intracellular cytochromes and thus rapidly stopping oxygen from access to cellular metabolism (just like gases such as carbon monoxide and hydrogen cyanide). Indeed H2S is arguably as toxic as Hydrogen Cyanide HCN. Biological monitoring or tests for intoxication could be undertaken through spectrophotometry of the haemoglobin in blood.
Hydrogen Sulphide is very foul smelling but very quickly paralyses the sense of smell, and can go on to overcome the victim and eventually cause death. Therefore smell cannot be relied upon to provide warnings of this treacherous gas.
Hydrogen Sulphide is also an irritant of mucous membranes including the eyes and respiratory tract.
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Hydrogen sulphide is not merely a smelly nuisance from stink bombs or rotten eggs. It is a highly toxic gas which interferes with cellular respiration just like carbon monoxide and hydrogen cyanide. It is not simply a byproduct of some chemical processes but it can arise from some other sources eg decomposition of organic matter such as sewage which in some instances has generated highly toxic, even fatal concentrations
Health Effects:
Hydrogen Sulphide is a potent chemical asphyxiant, combining with haemoglobin in red blood cells and with intracellular cytochromes and thus rapidly stopping oxygen from access to cellular metabolism (just like gases such as carbon monoxide and hydrogen cyanide). Indeed H2S is arguably as toxic as Hydrogen Cyanide HCN. Biological monitoring or tests for intoxication could be undertaken through spectrophotometry of the haemoglobin in blood.
Hydrogen Sulphide is very foul smelling but very quickly paralyses the sense of smell, and can go on to overcome the victim and eventually cause death. Therefore smell cannot be relied upon to provide warnings of this treacherous gas.
Hydrogen Sulphide is also an irritant of mucous membranes including the eyes and respiratory tract.
Huh!?!?
Hydrogen Sulphide - it's deadly!