CATHODIC STRIPPING VOLTAMMETRIC BEHAVIOR OF COPPER-COMPLEXES OF GLYCYLGLYCYL-L-HISTIDINE AT A HANGING MERCURY DROP ELECTRODE - DETERMINATION OF TRACE AMOUNTS OF GLYCYLGLYCYL-L-HISTIDINE

被引：11

作者：

FOGG, AG ^{[1
]}

ERTAS, FN ^{[1
]}

MOREIRA, JC ^{[1
]}

BAREK, J ^{[1
]}

机构：

[1] CHARLES UNIV, DEPT ANALYT CHEM, UNESCO, ENVIRONM ELECTROCHEM LAB, CS-11636 PRAGUE 1, CZECHOSLOVAKIA

来源：

ANALYTICA CHIMICA ACTA | 1993年 / 278卷 / 01期

关键词：

CYCLIC VOLTAMMETRY; STRIPPING VOLTAMMETRY; COPPER COMPLEXES; GLYCYLGLYCYL-L-HISTIDINE;

D O I：

10.1016/0003-2670(93)80083-W

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The behaviour of copper complexes with glycylglycyl-L-histidine (GGH) was investigated using cyclic voltammetry and adsorptive differential pulse cathodic stripping voltammetry. The nature of the observed cathodic and anodic peaks was established and optimum conditions have been found for the determination of nanomolar levels of GGH by means of differential pulse cathodic stripping voltammetry after accumulation in the presence of excess copper at - 0.20 V vs. Ag-AgCl reference electrode and using the stripping peak around - 0.40 V which corresponds to the reduction of the copper(I)-GGH complex.

引用

页码：41 / 51

页数：11

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