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[en] Determination of natural radionuclide in latosol soil at six locationsaround PPTN Serpong by using Inspector portable gamma spectrometer with highpurity Germanium detector (HPGe) which has 26% relative efficiency had beenobtained. Radionuclides data of 228Th, 226Ra and 40K were obtained in4 hours, shorter than laboratories analysis which needed 3 weeks. Thedifferences between in-situ measurement and laboratory were 3.6% to 56.2% forsix conditions of soil measured. According to the specific activity dataanalysis using statistic hypothesis, the result shows that the activity of228Th and 226Ra are independent on location, but 40K is dependent onlocation. (author)
Source
Sukarsono, R.; Karmanto, Eko-Edy; Suradjijo, Ganang (National Nuclear Energy Agency, Yogyakarta (Indonesia)) (eds.); Centre for Research and Development of Advanced Technology, National Nuclear Energy Agency, Yogyakarta (Indonesia); 404 p; ISSN 0216-3128; 
; 2000; p. 154-158; Scientific Meeting and Presentation on Basic Research in Nuclear Science and Technology; Pertemuan dan Presentasi Ilmiah Penelitian Dasar Ilmu Pengetahuan danTeknologi Nuklir; Yogyakarta (Indonesia); 25-26 Jul 2000; Also available from Center for Development of Nuclear Informatics,National Nuclear Energy Agency, Puspiptek Area, Fax. 62-21-7560923, PO BOX4274, Jakarta (ID); 12 refs.; 2 tabs.; 2 figs.
; 2000; p. 154-158; Scientific Meeting and Presentation on Basic Research in Nuclear Science and Technology; Pertemuan dan Presentasi Ilmiah Penelitian Dasar Ilmu Pengetahuan danTeknologi Nuklir; Yogyakarta (Indonesia); 25-26 Jul 2000; Also available from Center for Development of Nuclear Informatics,National Nuclear Energy Agency, Puspiptek Area, Fax. 62-21-7560923, PO BOX4274, Jakarta (ID); 12 refs.; 2 tabs.; 2 figs.