Studies of the Synthetic Inorganic Ion Exchanger. III : The Separation of the Fission Product by Means of a Stannic Phosphate Cation Exchanger
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The mutual separation of various nuclides contained in fission product has been carried out with a stannic phosphate cation exchanger. Various concentrations of nitric acid and ammonium chloride solutions have been used as eluants, and the separation has been performed on hydrogen- and ammonium-form exchangers. The separations of ^<89>Sr-^<137>Cs, ^<89>Sr-^<144>Ce, ^<137>Cs-^<144>Ce and ^<90>Sr-^<90>Y were easy and complete except for that of ^<137>Cs-^<144>Ce on a hydrogen-form exchanger. ^<95>Zr and ^<95>Nb were almost completely adsorbed on the exchanger over a wide range of acidity and salt concentration ; therefore, they were not eluted at all. As the behavior of ^<106>Ru is complex and its separation from other nuclides is impossible, it is necessary to separate the ruthenium from the fission product in advance by a method other than that of ion exchange. With reference to the above results, the total analysis of the fission product on an ammonium-form exchanger has been carried out. It is almost complete except for the contamination of rare earth in the cesium fraction.
- 東北大学の論文
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