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本文使用国产SY-202高速离子交换色谱仪(库仑检测器)以及国产YSGSO_3Na型阳离子交换树脂,用自行装配的梯度装置,以α-羟基异丁酸(α-HIBA)为洗脱液,提出浓度和pH并行变化的梯度形式,快速分离了十三个稀土元素;并讨论了该种梯度形式的特点及各种定量关系;研究了稀土元素的色谱行为与其结构之间的关系及效应;考察了库仑检测器电解效率的变化原因及规律,并定量测定了镥、镱及铥。
In this paper, the domestic SY-202 high-speed ion exchange chromatography (Coulomb detector) and homemade YSGSO_3Na cation exchange resin, using a self-assembly gradient device to α-hydroxyisobutyric acid (α-HIBA) And pH in parallel with the gradient of the form of rapid separation of thirteen rare earth elements; and discuss the characteristics of the gradient and the various quantitative relationships; study of the rare earth elements of the chromatographic behavior and the relationship between the structure and effect; investigated Coulomb detector electrolytic efficiency of the causes and rules, and quantitative determination of 镥, ytterbium and 铥.