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Journal of Dairy Science Vol. 53 No. 4 420-422
© 1970 by American Dairy Science Association ®
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Rapid Neutron Activation Method for Determination of Iodine in Milk

O. Johansen and E. Steinnes

Institutt for Atomenergi, Isotope Laboratories, Kjeller, Norway

ABSTRACT

A simple method for determination of total iodine in milk, based on neutron activation analysis is described. After the irradiation, iodine is separated from the milk samples by a radiochemical procedure based on solvent extraction and precipitation, and 128I activity is subsequently measured with a gamma-ray spectrometer. Precision of the method at iodine concentrations of the order of 0.1 ppm is about 5%.






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Copyright © 1970 by the American Dairy Science Association ®.