RADIOISOTOPES
Online ISSN : 1884-4111
Print ISSN : 0033-8303
ISSN-L : 0033-8303
On the Radiocative Decontamination with Several Kinds of Sand and Clay
Hidehiro GOTOShin SUZUKIYasushi INOUEReiko KUDO
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1965 Volume 14 Issue 3 Pages 225-232

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Abstract

From the standpoint o f radioactive decontamination, the adsorptive properties of several kinds of sand and clay, occurring in various parts of Japan, were investigated by batch method using fission product as an adsorpate.
The percent removal was different from sample to sample and ranged between 40-100%. The relation between the removal of fission products and chemical composition was not clear. As to mineral composition, it was observed that all the samples rich in calcite adsorbed effectively and resembled each other in their adsorptive properties. The percent removal for rare earthes was high, while that for ruthenium was low. In the case of strontium and cesium, decontamination was greatly affected with the nature of materials but there was little difference in the pH dependence between strontium and cesium regardless of materials.

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© Japan Radioisotope Association
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