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P538 P204及其混合物从盐酸溶液中萃取Fe(Ⅲ)的平衡可分别表达为: P538: Fe~(3 ) 4/j(H_2A)j(o) K′_A Fe(HA)_3·H_2A(o) 3H~ P204: Fe~(3 ) 2H_2B_2(o) K′_B FeB_3·HB(o) 3H~ P538 P204:Fe~(3 ) 2/j(H_2A)j(o) H_2B_2(o) K′_(AB) Fe(HA)_2B·HB(o) 3H~ 其表观萃取平衡常数分别为 lgK_A=4.46±0.09 lgK_B=3.44±0.08 lgK_(AB)=5.47±0.10 等摩尔的P538,P204混合物有最大的协同萃取系数。 相似文献
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A new method for the study of ternary surface complexes at liquid-solid interface,the E(%)-pH curve method,was proposed.Four types of E(%)-pH curves,namely,phenomenon of left-right shifts of S-shaped curve,V-shaped curve,monodirection shift curve and X-shaped curve,were discovered.Correspondingly,apart fromtype (Ⅰ) ternary surface complex -S-O-M-L and type (Ⅱ) ternary surface complex -S-L-M,a newtype of ternary surface complex -S-O-L-M was discovered. 相似文献
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