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作者曾用G型HDEHP萃淋树脂研究了镅和希土的分离,用pH为3.0的0.1MDTPA+1M乳酸混合液进行淋洗,可以把二者分离。但是镅的淋洗曲线拖尾较严重。有关萃淋树脂的报道多见于生产工艺上的分离,关于与分析上常用的硅胶、硅藻土色层粉在使用中的比较未见于报道。本文将萃淋树脂与不同HDEHP含量的硅藻土色层粉进行了比较,还比较了M型和G型二种不同类型的萃淋树脂的性能。
The authors used the G-type HDEHP extraction resin to study the separation of purpurin and earthenware, which was eluted with 0.1 M EDTA + 1 M lactic acid at pH 3.0 to separate the two fractions. However, the elution curve of 镅 is more severe. More about the extraction resin reported in the separation of production processes, on the analysis and the commonly used silica gel, diatomaceous earth color layer in the use of the comparison has not been reported. In this paper, the extraction resin and different HDEHP content of diatomaceous earth colored layer powder were compared, also compared two types of M-type and G-type extractant resin performance.