NAA OF Se WITH A GAMMA-GAMMA COINCIDENCE AND COMPTON SUPPRESSION SYSTEM

NAA OF Se WITH A GAMMA-GAMMA COINCIDENCE AND COMPTON SUPPRESSION SYSTEM 1 first-author 2 2 Laboratory of Industrial Hygiene, Ministry of Public Health, Beijing 100088, China Laboratory of Industrial Hygiene, Ministry of Public Health, Beijing 100088, China Institute of High Energy Physics, Academia Sinica, Beijing 100080, China Institute of High Energy Physics, Academia Sinica, Beijing 100080, China The paper describes a method of selenium determination by neutron activation analysis using gamma-gamma coincidence spectrometer with Compton suppression. The analysis results of some standard reference material from NBS or IAEA are reported. The differences between our data and reported values are discussed. Selenium NAA Gamma-gamma coincidence spectrometer Compton suppression Standard reference material REFERENCES IAEA certified reference material, soil-5 . October 1978 . IAEA certified reference material, soil-5 Su Qiong et al ., Chinese Journal of Radiological Medicine and Protection , 7 ( 1987 ), 3 : 189 . Chinese Journal of Radiological Medicine and Protection Su Qiong et al ., Nuclear Electronics and Detection Technology , (in Chinese) 8 ( 1988 ), 5 : 257 . Nuclear Electronics and Detection Technology, (in Chinese) E.S. Gladney et al ., 1982 compilation of elemental concentration data for NBS biological, geological and environmental standard reference materials . U.S. Department of Commerce, National Bureau of Standards . Issued March 1984 , p. 22 . 1982 compilation of elemental concentration data for NBS biological, geological and environmental standard reference materials J.J. Labrecque et al ., IAEA/SI-3 . Vienna , July 1987 . IAEA/SI-3 1991-11-01 2021-02-05 1991 Nuclear Science and Techniques 4 2