Mobility and Bioavailability of Technetium in Rice Paddy Fields
Description:
Field observations and radiotracer experiments were carried out to investigate the behavior of 99Tc in paddy fields. The concentrations of global fallout 99Tc in soil collected from paddy fields in Japan were 6-88 milli-bequerels per kilogram (mBq/kg)-dry and activity ratios of 99Tc to 137Cs ranged from 1.1 x 10-3 to 7.0 x 10-3 with an average of (4.8 {+-} 2.1) x 10-3. (The theoretical activity ratio from nuclear fission yield is presently calculated as 3.3 x 10-4 with correction for radioactiv…
more
Date:
February 24, 2003
Creator:
Uchida, S. & Tagami, K.
Item Type:
Refine your search to only
Article
Partner:
UNT Libraries Government Documents Department