论文部分内容阅读
极谱法测定钍已有一些报导。由于稀土元素与钍的性质十分相似,故常对钍的测定产生严重干扰。沈含熙等发现,利用轻、重稀土离子间形成异多核多元络合物的性质,可以提高显色效率。我们发现,当有茜素S存在时,钍与镧、铈等轻稀土离子能在单扫示波极谱上产生一特征的络合物吸附波,这极可能是由于形成了异多核多元络合物。在控制适当过量
Polarographic determination of thorium has been reported. Due to the very similar nature of rare earth elements and thorium, so often the determination of thorium serious interference. Shen Han-hee and other found that the use of light and heavy rare earth ions to form heterogeneous multicomplex complex nature, can improve the color rendering efficiency. We found that the presence of Alizarin S, thorium and lanthanum, cerium and other light rare earth ions in the single-sweep polarographic absorption spectrum produced a characteristic complexes, which may be due to the formation of multi-multicore Compound. In the control of appropriate overdose