以正丁胺和乙酰氯为主要原料,三乙胺为缚酸剂,在盐冰浴条件下合成了酰胺类萃取剂N-正丁基二乙酰亚胺(简写为BDAI),通过NMR、MS、IR、UV等分析手段鉴定了它的具体结构,收率高达86%.萃取实验研究了酸度、盐析剂浓度、萃取剂浓度、萃取温度、稀释剂对BDAI萃取铈(Ⅳ)的影响,用斜率法求得萃合物的组成为Ce(NO3)4·3BDAI.实验结果表明,BDAI对铈具有较好的萃取能力,是一种很有应用前景的新型稀土萃取剂.
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