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    THE INVESTIGATION OF SYNERGISTIC EXTRACTION OF THORIUM WITH 1,9-BIS- ( 1 -PKENYL-3'-M ETHYL-5 -OXOPYRAZOLE-4 -YL ) NONANEDIONE-(1 ,9) (H_2A) AND TRIOCTYLPHOSPHINE OXIDE ( TOPO )[J]. Journal of Nuclear and Radiochemistry, 1990, 12(3): 180-180.
    Citation: THE INVESTIGATION OF SYNERGISTIC EXTRACTION OF THORIUM WITH 1,9-BIS- ( 1 -PKENYL-3'-M ETHYL-5 -OXOPYRAZOLE-4 -YL ) NONANEDIONE-(1 ,9) (H_2A) AND TRIOCTYLPHOSPHINE OXIDE ( TOPO )[J]. Journal of Nuclear and Radiochemistry, 1990, 12(3): 180-180.
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    THE INVESTIGATION OF SYNERGISTIC EXTRACTION OF THORIUM WITH 1,9-BIS- ( 1 -PKENYL-3'-M ETHYL-5 -OXOPYRAZOLE-4 -YL ) NONANEDIONE-(1 ,9) (H_2A) AND TRIOCTYLPHOSPHINE OXIDE ( TOPO )

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    • In this paper, the extraction of thorium in nitric acid with H2A-CHCl3 solution and synergistic extraction of thorium in nitric acid by H2A and TOPO have been investigated. Experimental results show that the composition of the extracted complexes are ThA2 and ThA2 -TOPO ,and the extraction equilibrium constants are 1.03×106 and 1.18×109 respectively.
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