MATERIALS AND METHODS Iodine-131 in the liquid and capsule form and approximately
100-145 mCi in activity was obtained for this study. The activity was measured, in a dose …

Estimation of exposure from 131 I inhaled from unsealed sources during laboratory
procedures and from that exhaled by patients treated with 131 I has revealed that the …

Internal contamination by 131I among the personnel in a nuclear medicine laboratory was
surveyed from January to July, 1979. Because of the formulation change made by the …

A method for the determination of Iondine-131 in urine is described. A dipping counter
mounted on a modified microscope base using a blackened test tube with a sample large …

Large differences in dose-calibrator readings are obtained if" high-purity" I-123 is assayed in
different containers. Large correction factors are necessary for assaying another isotope of …

During the US and USSR nuclear weapons tests in 1962, the I 131 content was measured in
456 human thyroids dissected at autopsies of New York residents with no known history of …

Abstract 131 I is widely used in nuclear medicine for diagnostic and therapy of thyroid
diseases. Depending of workplace safety conditions, routine handling of this radionuclide …

The Determination of Radioactive Iodine in Biologic Material. Page 1 390 RADIOACTIVE
IODINE IX BIOLOGIC MATERIAL (2 ) in esperiments on vascular hypersensitivity. On the …

(4, 5). Thesepatientswerefoundto expelradioiodinein their breath within 5 mm of receiving
the dose. Therefore, technolo gists and nursing personnel should be instructed to avoid any …

MATERIALS AND METHODS As will be seen, assessmentof the percent 124! contamina tion
in a sample of 1231will require only that it be assayed in a radionuclide dose calibrator both …