Gamma absorptiometric technique employing high resolution gamma spectrometry

A. Tugsavul , B. Kopuz , K. Cimcim , S. Can , H. Tel , Ö. Ciftcioglu
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引用次数: 1

Abstract

Gamma absorptiometric method was used to determined uranium and thorium concentration in both aqueous and organic solutions. The complete computer-based γ-spectroscopy system includes a coaxial Ge(Li) detector used to measure the absorption of γ-rays from 241Am through the solutions. The absolute concentration of natural uranium and thorium can be determined within 1–200 g U/L and 1–360 g Th/L concentration ranges with a precision of ± 1% for a counting time of up to 100 s with the result that the method is suitable for on-line measurement in fuel element fabrications.

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采用高分辨率伽马能谱法的伽马吸收测定技术
采用伽马吸收法测定了水溶液和有机溶液中铀和钍的浓度。完整的基于计算机的γ光谱系统包括一个同轴Ge(Li)探测器,用于测量通过溶液吸收来自241Am的γ射线。天然铀和钍的绝对浓度可在1 ~ 200g U/L和1 ~ 360g Th/L浓度范围内测定,精度为±1%,计数时间长达100 s,结果表明该方法适用于燃料元件制造中的在线测量。
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