SERS STUDY OF THE INTERACTION OF ALKALI-METAL IONS WITH A THIOL-DERIVATIZED DIBENZO-18-CROWN-6

被引：41

作者：

HEYNS, JB

SEARS, LM

CORCORAN, RC

CARRON, KT

机构：

[1] UNIV WYOMING,DEPT CHEM,LARAMIE,WY 82071

[2] UNIV STELLENBOSCH,DEPT CHEM,STELLENBOSCH 7600,SOUTH AFRICA

来源：

ANALYTICAL CHEMISTRY | 1994年 / 66卷 / 09期

关键词：

D O I：

10.1021/ac00081a034

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This report demonstrates that crown ethers can be modified with thiol functionalities and anchored to silver surfaces without loss of activity. Once attached the responsivity of the crown can be examined with surface-enahnced Raman spectroscopy. The crown examined was a diaminodibenzo-18-crown-6 coupled to mercaptonicotinic acid with DCC to form an amide. We found that the derivitized diaminodibenzo-18-crown-6 responded to alkali chlorides. The K-formation and selectivity were determined and followed a trend similar to that observed in aqueous solutions. An ionic strength test indicated that the phenomenon was due to the cation and not the anion. However, a larger K-formation was observed with SCN-.

引用

页码：1572 / 1574

页数：3

共 19 条

[1] PREPARATION AND APPLICATION OF POLYMERS WITH CYCLIC POLYETHER ANCHOR GROUPS [J].