Method for Removing Iodine131 from Milk

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Abstract
Milk containing I131 (labeled in vitro, in vivo or from fallout) is passed through a column containing Dowex 1-X8 resin. Original and treated milks were analyzed for removal of I131 from resin bed volumes of milk. The I131 removal did not vary with flow rates of 5-20 ml/min. or with temperatures of 0-30''C. All the inorganic I131 was removed from in vivo milk except protein bound I131. The PBI131 in individual cows milk may vary 0-10%; however, in market milk it is low or negligible. The anionic composition of milk is essentially unchanged and the organoleptic quality was comparable to that of pasteurized whole milk.