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Why can't the metal detectors, detect iron in my blood?

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Iron is the core element in haemoglobin (so eat your green vegetables). And haemoglobin is the main component of red blood cells, which is the main component of your blood, which in turn is an significant amount in everyone of us. read more

And haemoglobin is the main component of red blood cells, which is the main component of your blood, which in turn is an significant amount in everyone of us. (If this iron can trigger metal detector but the amount is considered small, I wonder what amounts of blood can trigger metal detectors. ) Anyway I digress. read more

metals like fe iron are present in the blood in dissolved state in the form of haemoglobin i.e. blood pigment ,hence it is in very very small quantity along with other components of blood ,and thus it cannot be detected by a metal detector. read more

Metal detectors are basically magnetometers that detect ferrous materials. Gold is non-ferrous. Airports are however progressively rolling out more advanced scanners that can detect gold, non-ferrous metals, gems, drugs, ceramics and basically anything concealed - using back-scatter X-Rays and terahertz technology. read more

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