氟化镧法分别测定Pu(Ⅲ,Ⅳ)和Pu(Ⅴ,Ⅵ)的含率

    DETERMINATION OF Pu(Ⅲ, Ⅳ) and Pu(Ⅴ, Ⅵ) BY USING LaF3 COPRECIPITATION METHOD

    • 摘要: 本文研究了在HNO_3体系中以K_2Cr_2O_7为支持氧化剂,用氟化镧载带法分别测定Pu(Ⅲ.Ⅳ)和Pu(Ⅴ,Ⅵ)含率的条件,提出了具体的分析程序以及某些杂质产生干扰的浓度范围。

       

      Abstract: This paper describes the analytical conditions for the determination of Pu(Ⅲ, Ⅳ) and Pu(Ⅴ, Ⅵ) by using LaF3 coprecipitation method with supporting oxidizing agent of K2Cr2O7 in nitric acid solution and presents the analytical procedure. The interfering ions and the measures to eliminate their interference are given in this paper.

       

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