Abstract: DETERMINATION OF IODINE WITH EPITHERMAL NEUTRON ACTIVATION ANALYSIS ON MINIATURE NEUTRON SOURCE REACTORWang Ke;Hou Xiaolin;Zhang Yongbao (China Institute of Atomic Energy，P.O.Box 275（75），Beijing 102413) (Institute of High Energy Physics，the Chinese Academy of Science，P.O. Box 2732，Beijing 100080)Abstract: Epithermal neutron activation analysis is used to determine the content of iodine in human serum，Chinese diets，some geological and environmental materials，The detection limit of iodine under the experimental conditions is calculated.Keywords:Iodine Epithermal neutron activation analysis Miniature neutron source reactor