A STUDY ABOUT PH CHEMICALLY MODIFIED ELECTRODES BASED ON AMINO-DERIVATIVES OF NAPHTHALENE

被引：12

作者：

HUANG, SS ^{[1
]}

SONG, XH ^{[1
]}

LIN, HG ^{[1
]}

YU, RQ ^{[1
]}

机构：

[1] ACAD SINICA,CHANGCHUN INST APPL CHEM,ELECTROANALYT CHEM LAB,CHANGCHUN 130022,PEOPLES R CHINA

来源：

MIKROCHIMICA ACTA | 1992年 / 107卷 / 1-2期

关键词：

CHEMICALLY MODIFIED ELECTRODE; PH SENSOR; POLY(1-NAPHTHYLAMINE); POLY(2,3-DIAMINONAPHTHALENE);

D O I：

10.1007/BF01772350

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The electrochemical polymerization of amino-derivatives of naphthalene has been studied on the platinum wire electrodes. The effects of acidity of the modifying media and the potential scan rate on the cyclic voltammograms are verified. As potentiometric pH sensors, the electrodes prepared from 1-naphthylamine and 2,3-diaminonaphthalene showed performance characteristics superior to some other electrodes tested. The electrode modified with 1-naphthylamine in the optimum medium showed a nearly Nernstian response of 4.20-13.70 pH and a slope of -54.8 mV/pH, while the linear range of the electrode prepared by 2,3-diaminonaphthalene was 4.00-13.60 pH, with a slope of -52.4 mV/pH.

引用

页码：27 / 36

页数：10

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