CHROMOGENIC CALIX[4]ARENE AS IONOPHORE FOR POTENTIOMETRIC AND OPTICAL SENSORS

被引:75
作者
TOTH, K [1 ]
LAN, BTT [1 ]
JENEY, J [1 ]
HORVATH, M [1 ]
BITTER, I [1 ]
GRUN, A [1 ]
AGAI, B [1 ]
TOKE, L [1 ]
机构
[1] TECH UNIV BUDAPEST,DEPT ORGAN CHEM TECHNOL,H-1521 BUDAPEST,HUNGARY
关键词
D O I
10.1016/0039-9140(94)E0094-8
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Chromogenic calix[4]arene derivative was synthesized and tested as an ionophore for potentiometric and optical sensors. Distinct sodium selectivity was observed with this ionophore based, plasticized PVC membranes in potentiometric measurements suggesting their utility for biological applications. Optode membranes exhibited sodium sensitivity in the 5 x 10(-2)-10(-4)M concentration range. The optical sensitivity was improved by the use of an internal, lipophilic base (TDDA). The operation of the optical sensor is in accordance with the ion-exchange theory.
引用
收藏
页码:1041 / 1049
页数:9
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