【摘要】 本文用P507-二甲苯作固定相,以硅烷化硅胶作载体,系统地研究了铀(V1)、钍(1V),锆(1V),钛(1V)的萃取色层行为。测定了铀、钍络合物的组成,探讨了铀、钍的萃取机理。提出了连续萃取色层分离铀、钍、锆钛的途径,拟定了矿石中少量铀和钍连续测定的方法。更多还原

【Abstract】 The extraction-chromatographic separation behaviour of uranium （Ⅵ）, thorium （Ⅳ）, Zirconium （Ⅳ）, and titanium （Ⅳ） has been systematically studied with（2-ethylhexyl）-phosphonie acid-mono-（2-ethylhexyl）ester as stationary phase, silane-silica gel as supporter. The composition of uranium and thorium complexes, and the mechanism of the extraction of uranium and thorium have been determined and discussed. A procedure of the continu- ous extraction-chromatographic separation for uranium, thorium, titanium and zirconium was offered. The method can be used for continuous determination of small amounts of uranium and thorium in ores in the determination range of x×10^-2—x%.更多还原