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本文研究了伯胺N_(1923)萃取H_2SO_4、Ln(Ⅲ)、Fe(Ⅲ)和Th(Ⅳ)的平衡规律。通过分配法、饱和法等的研究及IR测定,提出了不同酸度下H_2SO_4、Ln(Ⅲ)、Fe(Ⅲ)和Th(Ⅳ)的萃取机理。观测了稀土元素(Ⅲ)的萃取率与原子序数的递变规律及钇的位置。
In this paper, the equilibrium rule of H_2SO_4, Ln (Ⅲ), Fe (Ⅲ) and Th (Ⅳ) extracted by primary amine N_ (1923) was studied. The extraction mechanism of H_2SO_4, Ln (Ⅲ), Fe (Ⅲ) and Th (Ⅳ) under different acidity was proposed by the methods of distribution, saturation and IR. The evolution of rare earth element (Ⅲ) extraction rate and atomic number and the position of yttrium were observed.