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Southeastern Radiological Health Laboratory, Montgomery, Alabama
ABSTRACT
Waste cationic regenerating solution from a milk decontamination process was utilized to strip 131I from the anion resin. It is necessary to remove the phosphate from the anion resin bed with five bed volumes of N NaCl to prevent the Ca and Mg in the regenerating solution from forming a phosphate precipitate. The 131I is then stripped from the anion resin with 45 bed volumes of waste regenerating solution at 71 C, resulting in 96–98% 131I removal.
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