COMPLEXATION OF ES-2+ BY 18-CROWN-6 IN AQUEOUS-ETHANOL

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作者
MIKHEEV, NB
KULYUKHIN, SA
VELESHKO, IE
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O65 [分析化学];
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070302 ; 081704 ;
摘要
The complexation of Es2+ by 18-crown-6 in H2O and H2O-ethanol (EtOH) is studied. The stability constants of the Es2+ complex with 18-crown-6 are calculated. The values log k are 2.64 and 4.70 in H2O and EtOH-H2O (10 M), respectively. In both H2O and H2O-EtOH, log k varies in the order Eu2+ > Es2+ > Yb2+.
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页码:527 / 530
页数:4
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