This paper reported a synergistic extraction of Ho 3+ with binary systems containing HPMBP and diphenyl-guanidine(DPG) using chloroform as diluent from nitric acid medium.

• 研究了 1-苯基 - 3-甲基 - 4 -苯酰基吡唑酮 - 5(HPMBP)和二苯胍 (DPG)的三氯甲烷溶液对硝酸介质中Ho3+萃取机理。