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研究了1-苯基-3-甲基-4-(α-呋喃甲酰基)-5-吡唑酮(HPMFP,HA)与氧化三正辛基膦(TOPO,B)或氧化三苯基膦(TPPO,B)的甲苯溶液从硝酸介质中对钍(IV)的协同萃取行为.用斜率法确定了HA-TPPO-C6H5CH3体系萃取钍(IV)的协萃配合物组成为ThA4·TP-PO,求得了体系的协萃平衡常数,比较了在不同稀释剂中HA-TPPO对钍(IV)的萃取能力
The effects of 1-phenyl-3-methyl-4- (α-furoyl) -5-pyrazolone (HPMFP, HA) and tri-n-octylphosphine oxide (TOPO, B) or triphenylphosphine oxide Synergistic Extraction Behavior of Thorium (IV) from Toluene Solution of (TPPO, B) in Nitric Acid. The slope equilibrium method was used to determine the synergistic complex composition of thorium (IV) extracted from HA-TPPO-C6H5CH3 system as ThA4 · TP-PO. The synergistic equilibrium constant of the system was obtained. The effect of HA-TPPO on thorium (IV) extraction ability