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北京铀矿选冶研究所
收稿日期:1981-12-18,
纸质出版日期:1983-04
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罗秉钧, 高文祥. X射线近边缘吸收法测定有机相中的钼[J]. 核技术, 1983,06(2):46-48,77,78.
Bingjun Luo, Wenxiang Gao. Determination of molybdenum in organic phase by the method of Xray absorption of neighboring edge[J]. Nuclear techniques, 1983, 06(2): 46-48,77,78.
使用三脂肪胺-磷酸三丁酯-煤油萃取钼时,既力求饱和有机相的钼浓度足够高,又不致因过高而生成钼胺络合物沉淀,使生产中断。因此,及时、准确地分析出钼浓度有着重要意义。
The γ ray from
241
Am source were used to excite silver target for producing characteristic K radiation. The collimated beam of K radiation is passed through the sample cell. The intensity of the unabsorbed radiation is measured with a NaI(T1) crystal. Near the absorption edges of molybdenum
its mass absorption coefficient is bigger
so the interference of some impurities in the solution is eliminated. The method gives very good accuracy (better than 1%). Twenty samples can be analyzed in about an hour.
A. E. Cormally , Nucleonics , 17 , 12 , 98 ( 1959 ).
流线分析编辑组 , 流线分析(1977年流线分析会议资料汇编) , 原子能出版社 , 1978 年,第 147 页.
H. A. Liebnafsky et al . , X rays, electrons and analytical chemistry , John Wiley and Sons Inc ., 1971 . p. 526 .
George. L. Clark , Encyclopedia of X ray and gamma rays , Chapman & Hall, Ltd ., 1963 , p. 10 .
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