各种型号的阳离子交换树脂分离锂,已有很多文献报导。我们也曾作过萃取分离锂的工作,但均混有其他杂质。我所也曾研究了盐湖卤水中锂同位素丰度比值的质谱测定方法。该法在测定前要将锂从其他元素中分离出来,采用的是正1×12号强酸性阳离子交换树脂,加入有机溶剂作淋洗剂,洗脱时间仍需五小时。自从我们研究了无机离子交换剂—— Various types of cation exchange resin separation of lithium, a lot of literature has been reported. We also worked on extraction and separation of lithium, but all mixed with other impurities. I have also studied the salt brine brine isotope abundance ratio of mass spectrometry method. The law before the determination of lithium from other elements to be separated out, using a positive 1 × 12 strong acid cation exchange resin, adding an organic solvent for the eluent, the elution time is still five hours. Since we studied inorganic ion exchangers -