Adsorption and elution of cadmium on human and mouse hair were studied by the use of radioactive isotope technique. Hair with Cd accumulated solely from the hair follicle was obtained from mice injected with cadmium 109. Cadmium adsorption on human hair, when brought into contact with a solution of cadmium chloride tagged with cadmium 109 occurred with an individual variation, ranging from 0 to 100% of Cd present in the solution. This variation seemed to have been the result of individual variation in hair acidity. A nearly complete removal of Cd from the hair could be obtained by using a sufficiently strong solution of an acid. However, the different treatments applied were not effective for separate analysis of exogenous and endogenous hair Cd.
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Nishiyama et al. (1972) studied this question.
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