Adsorption Characteristics of 60Co-ions towards Polystyrene Treated with Sulfuric Acid Relative to Radioactive Decontamination

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Abstract
The adsorption of cobalt ions by polystyrene treated with sulfuric acid was measured using the radiotracer technique. We also studied the type of adsorption of the cobalt ions by polystyrene, with or without sulfuric acid treatment, by observing the rate of desorption by the use of several rinsing liquids. It was confirmed that, although cobalt ion adsorption on an untreated surface is much less than that on a treated surface, the former is rather harder to remove by rinsing than the latter, regardless of the nature of the rinsing liquid.