Actinide complexation in the purex process

Abstract  In the PUREX process Pu(IV) and U(VI) nitrate complexes are extracted into 30% TBP/OK (30% tributylphosphate in odourless kerosene) as UO2(NO3)2.2TBP and Pu(NO3)4.2TBP. The actinides can then be selectively stripped back into d