水中放射性核素铯_137测量的不确定度评估.pdf
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2 3 3 V ol. 23, N o. 3
2 0 1 0 6 POLLUT ION CONTRO L TE CHNOLOGY Jun ., 2 0 1 0
- 137
( 江苏省辐射环境监测管理站, 江苏 南京 210019)
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137
Un certain ty Evaluation of the M easurem ent of C s in W ater
JIANG Y unp ing
(J iangsu Radiation E nvironmentalM onitoring and M anagemen t Station, Nanj ing, J iang su 210019, China)
A bstrac t: T he m easurem en t of nu clides is determ ined after chem ica l carr ier - b and and conden se. The pretreatm ent is com
p lex. By ana lyzing the unce rtainty and relev ant p aram eters in the fo rmu la, it is found tha t the re are m a in factors influ encing the de
term ination of 137 C s, su ch as e ff ic iency of app aratu s de tection, chem ica l recovery and vo lum e o f samp le.
K ey w ord s: 137 Cs; m easu re; uncer tain ty; eva lu ation
137
1 Cs,
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2 , 5 ~ 8 m L,
GB 6767 86 - 137 鉍酸钠溶液, 载带铯, 制成样品
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