超热中子活化法测定碘和溴
Epithermal Neutron Activation Analysis of Iodine and Bromine
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摘要: 介绍了采用微型反应堆超热中子活化分析膳食样品中Ｉ和Ｂｒ的方法。讨论了热中子屏蔽材料的选择，干扰扣除等问题，计算了不同样品的探测极限及标准偏差。对几种标样进行分析，其结果与推荐值相符。Abstract: odine and bromine in foods(grain, beans ,potato,meat,egg,aquatic product,milk,vegetables,fruit, sugar and water )are determined by epithermal neutron activation analysis on aminiatllre neutron source reactor.The selection of shielding material for thermal
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