Epithermal neutron activation analysis of food |
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Authors: | L. Zikovsky K. Soliman |
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Affiliation: | (1) Insitut de Génie Nucléaire, Ecole Polytechnique de Montréal, Succ. “centre-ville”, C. P. 6079, H3C 3A7 Montréal, Quebec, Canada |
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Abstract: | Food samples were irradiated with thermal and epithermal neutrons. The average ratios of thermal to epithermal activity were determined for80Br,49Ca,38Cl,60mCo,42K,27Mg,56Mn,24Na, and86mRB. They were equal to 2.1, 26, 24, 6.6, 19, 16, 11, 23 and 1.9, respectively. Then, 57 food samples were analyzed by epithermal neutron activation analysis for Br and Rb. The concentrations (in ppm) of Br and Rb were in asparagus (2) 2.3, 11.5; beets (3) 0.5, 0.8; beef (3) 1.7, 3.6; cabbage (5) 0.5, 10.8; carrot (3) 0.2, 3.7; chicken (3) 0.6, 4.4; chocolate (7) 11.1, 18.7; egg (3) 0.9, 1.9; french bean (3) 0.3, 1.0; goose (2) 1.3, 9.3; lettuce (2) 0.9, 1.7; pork (1) 1.5, 4.4; potato (7) 1.0, 1.2; sausage (3) 0.6, 4.0; strawberry jam (3) 0.4, 1.4; tomato (1) 13.5, 14.6; turkey (3) 1.2, 4.9. respectively. The number of samples analyzed is indicated in parentheses. |
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