Electrochemical Quartz Crystal Microbalauce Study of FeS Particles Attached to Au Surface

被引：8

作者：

Bura-Nakic, Elvira ^{[1
]}

Roka, Andras ^{[2
]}

Ciglenecki, Irena ^{[1
]}

Inzelt, Gyoergy ^{[1
]}

机构：

[1] Rudjer Boskovic Inst, Dept Marine & Environm Res, Zagreb 10000, Croatia

[2] Eotvos Lorand Univ, Dept Chem Phys, H-1117 Budapest, Hungary

来源：

ELECTROANALYSIS | 2009年 / 21卷 / 15期

关键词：

FeS; Microparticles; Fe dissolution; Electrochemical quartz crystal microbalance; Redox chemistry; Iron; VOLTAMMETRIC CHARACTERIZATION; SULFIDE PARTICLES; HYDROGEN-SULFIDE; CARBON-STEEL; IRON; ADSORPTION; GOLD; COPRECIPITATION; NANOPARTICLES; CORROSION;

D O I：

10.1002/elan.200804597

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Electrochemical quartz crystal microbalance (EQCM) measurements were employed for studying of the redox processes of FeS microparticles immobilized on Au electrode surface in contact with aqueous solutions of NaCl, NaCl-NaHCO3, and NaCI-Na2S. The objective was to shed light on the complexity of the iron sulfide electrochemistry. For the sake of comparison electrochemical behavior of FeS suspension was also investigated on the paraffin-impregnated graphite (PIGE) and hanging mercury drop (HMDE) electrodes. In order to understand the complex nature of the redox transformations of FeS, Mohr-salt was dissolved in NaCl and NaCl-NaHCO3 solutions, respectively, and the deposition-dissolution processes occurring in the course of the reduction of Fe(II) and reoxidation of Fe(0) were also monitored.

引用

页码：1699 / 1708

页数：10

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