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本文采用双波长校正系数法消除Ti(III)对铀的测定干扰,可简便,快速测定含有大量钛、铁等溶液中的铀。当铀含量为5.0 mg/5ml时,测定精密度在±5.0%以下,重加回收率为97—102%。
In this paper, the dual-wavelength correction factor method is used to eliminate the interference of Ti (III) in the determination of uranium, and the determination of uranium in the solution containing a large amount of titanium and iron can be simply and quickly determined. When the uranium content of 5.0 mg / 5ml, the determination of precision within ± 5.0%, re-recovery was 97-102%.