SalphenH2 as a neutral carrier for the uranyl ion-selective PVC membrane sensor

被引：0
|
作者：
Kim, Dong Wan
Park, Kyeong-Won
Yang, Mi-Hyi
Kim, Jineun
Lee, Shim Sung
Kim, Jae Sang [1 ]
机构：
[1] Gyeongsang Natl Univ, Dept Chem, Chinju 660701, South Korea
[2] Gyeongsang Natl Univ, Res Inst Nat Sci, Chinju 660701, South Korea
来源：
BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2006年 / 27卷 / 06期
关键词：
uranyl ion sensor; potentiometry; PVC membrane; salphenH(2) ionophore;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The complexation of N,N'-4,5-(ethylenedioxy)benzenebis(salicylideneimine), (salphenH(2)) with uranyl ion was studied in acetonitrile solution spectrophtometrically, and the formation constant of the resulting 1 : 1 complex was evaluated. The salphenH(2) ligand was used as an ionophore in plasticized poly(vinyl chloride) (PVC) matrix membrane sensor for uranyl ion. The prepared sensors exhibited a near Nernstian response, 28.0-30.9 mV/decade for uranyl ion over the concentration range 1.0 x 10(-2) to 1.0 X 10(-6) M with a limit of detection of 3.2 x 10(-7) M. The proposed electrode could be used at a working pH range of 1.5-4.0.
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页码：899 / 902
页数：4
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