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Morgan A.; Morgan, D. J.; Black, A.
Health Physics: October 1968
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A number of experiments are described in which iodine vapour labelled with 132I was administered to volunteer subjects to provide information of use in the evaluation of the radiological hazard from the accidental release of radioiodine. The experiments showed that the deposition of inhaled iodine vapour is essentially complete at normal breathing rates and that a fall off in deposition is only apparent at respiratory rates well in excess of the normal range. Much of the iodine vapour inhaled by mouth is deposited in the oral pharynx. From this region, iodine is carried down the oesophagus with saliva into the stomach and small intestine, where absorption occurs. Thyroid uptake and urinary excretion patterns are similar to those observed after ingestion of sodium iodide labelled with 132I.

©1968Health Physics Society