SILVER SELECTIVE ELECTRODES BASED ON THIOETHER FUNCTIONALIZED CALIX[4]ARENES AS IONOPHORES

被引:95
作者
MALINOWSKA, E
BRZOZKA, Z
KASIURA, K
EGBERINK, RJM
REINHOUDT, DN
机构
[1] TECH UNIV WARSAW,DEPT ANALYT CHEM,PL-00664 WARSAW,POLAND
[2] UNIV TWENTE,DEPT ORGAN CHEM,7500 AE ENSCHEDE,NETHERLANDS
关键词
ION SELECTIVE ELECTRODES; CALIX[4]ARENES; SILVER SELECTIVE ELECTRODES; THIOETHER FUNCTIONALIZED CALIX[4]ARENES;
D O I
10.1016/0003-2670(94)00267-3
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Silver selective electrodes based on thioether functionalized calix[4] arenes 1 and 2 as ionophores were investigated. For both ionophores the selectivity coefficients (log k(Ag,M)) were lower than -2.2 for Hg(II) and lower than -4.6 for other cations tested. The best results were obtained with membranes containing dithioether functionalized calix[4]arene (ionophore 2), potassium tetrakis(4-chlorophenyl)borate (KTpCIPB) and bis(1-butylpentyl)adipate (BBPA) as a plasticizer. The Ag(I)response functions exhibited almost theoretical Nernstian slopes in the activity range 10(-6)-10(-1) M of silver ions.
引用
收藏
页码:245 / 251
页数:7
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