【摘要】 HNO₃预平衡的30%TBP-煤油受γ辐照后对RuNO络合物有严重的保留作用,即不易被酸碱洗涤去除。将辐照溶剂分为碱萃相、水萃相和中性相,对Ru有保留作用的是中性相,而不是含有长链烷基酸性磷酸酯的水萃相。更多还原

【Abstract】 The retention of RuNO complexes in irradiated solvent is small for 30%TBP-kerosene, TBP and Kerosene which are not pre-equilibrated with HNO₃before irradiation. If They are pre-equilibrated with mol/l HNO₃, the retentionin kerosene or TBP is small too. The retention in 30% TBP-kerosene increaseswith the radiation dose. The retention of Ru in irradiated TBP-kerosene increase, with the concentrationof pre-equilibrating nitric acid and the ageing time after ruthenium extraction.After washing with 2 mol/l HNO₃ and 0.5 mol/l sodium carbonate at 30℃, theretention is large. After irradiation, the solvent is separated into Na₂CO₃ extract,H₂O extract and neutral phase by Becker’s Method. Thc retention of Ru in H₂Oextract is smaller. But the retention of Ru in neutral phase is quite large.更多还原