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人所共知,在酸性溶液中铼呈—阴离子 Reo_4~-状态存在,而钼则呈规格较大的聚合阴离子状态存在。这就使得有可能在小孔结构阴离子交换剂上用离子交换法选择分离铼.下面所述是利用红外光谱学法研究离子交换系统
It is well known that rhenium is present in an acidic solution as an anion Reo_4 ~ - whereas molybdenum is present as a polymeric anion of a larger size. This makes it possible to selectively ion exchange rhenium on small pore anion exchangers. The following is the use of infrared spectroscopy to study the ion exchange system