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The Removal and Control of Iodide-131 Contamination² in Sodium O-Iodo¹³¹ Hippurate

Winston-Salem, North Carolina

ABSTRACT

A method has been found to remove contaminating sodium iodine-131 from radio-Hippuran (and other water-soluble salts of radioiodinated organic compounds) and to keep such contamination at acceptable levels during the shelf-life of the compound. The solution of radio-Hippuran is allowed to remain in contact with microporous carbon boiling chips which have been impregnated with freshly precipitated silver-chloride. The iodide-131 ions are replaced by chloride ions. Minimal contamination of the solution with silver-chloride is obtained.

Berl porcelain saddles, coated with silver-chloride failed to give adequate reduction of contamination.

FOOTNOTES

² Performed under USPHS Research Grant No. 5418, National Institutes of Health.

¹ Department of Radiology, Bowman Gray School of Medicine, Wake Forest College, Winston-Salem, North Carolina.