Title

Iodine-129 in Thyroids of Grazing Animals

Abstract

A combination of neutron activation and mass spectrometry has been used to determine the concentrations of fissiogenic129I and stable127I in thyroids of grazing animals and in mineral iodine. The129I/127I ratios are lowest in mineral iodine and in a given area lower in cow thyroids than in deer thyroids. Near saturation levels of mineral iodine in commercial feeds and salt licks may account for differences in the128I levels of cows and deer. Values of the129I/127I ratio in deer appear to vary inversely with the iodine concentration of the thyroid.

Department(s)

Chemistry

Keywords and Phrases

Iodine 129; Radioisotope; Cattle; Neutron Activation Analysis; Theoretical Study; Thyroid Gland; Animals; Cattle; Deer; Food Contamination; Radioactive; Iodine Radioisotopes; Radioactive Fallout; Thyroid Gland

International Standard Serial Number (ISSN)

00179078

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 1976 Lippincott Williams & Wilkins, All rights reserved.

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