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Full-Text Articles in Computational Chemistry
Direct Electrolysis Of Seawater On Conducting Film For Microbial Anticorrosion 1. Simulation And Measurement Technique, Weiling Hu, Lingling Wu, Jing Zhou, Jingxin Li, Jin Luo, Zhonghua Lin
Direct Electrolysis Of Seawater On Conducting Film For Microbial Anticorrosion 1. Simulation And Measurement Technique, Weiling Hu, Lingling Wu, Jing Zhou, Jingxin Li, Jin Luo, Zhonghua Lin
Journal of Electrochemistry
Based on the electrochemical micro probe and the weak signal detection technique, simulated test and measurement system were set up by the use of four_electrode cell(including a micro electrode), bipotentiostat, lock_in amplifier and three_dimensional micro manipulating device. Based on the system, the micrometer scale concentration distribution of trace hypochlorite, which is produced by direct electrolysis of seawater on the conducting film for preventing microbial corrosion has been obtained for the first time. Both relationships between concentration of hypochlorite and its reduction current, which is termed an working curve, and between the reduction current of hypochlorite and measured time are reported.
Some Electrochemical Studies On The Bionic Nereistoxin Pesticide_(Ch3)2nhch(Ch2s2o3)2nah2o, Changgeng Zhang
Some Electrochemical Studies On The Bionic Nereistoxin Pesticide_(Ch3)2nhch(Ch2s2o3)2nah2o, Changgeng Zhang
Journal of Electrochemistry
A study of cyclic voltammetric behavior of the nereistoxin pesticide known as Shachongdan is reported. The effects of scan rate, electrolyte pH, and concentration are discussed.The study shows that this electrode process is an irreversible electrode reaction. The saturate adsorption of dihydronereistoxin on the electrode is also discussed with the saturate adsorption amount of 8.2310-10 mol/cm2.
Effects Of Nickel Content And Simulated Heat Affected Zone Of 2205 Duplex Stainless Steel On Pitting Corrosion, Horngyih Liou, Jutung Lee, Wenta Tsai
Effects Of Nickel Content And Simulated Heat Affected Zone Of 2205 Duplex Stainless Steel On Pitting Corrosion, Horngyih Liou, Jutung Lee, Wenta Tsai
Journal of Electrochemistry
The effects of nickel content and Gleeble simulated heat affected zone(HAZ) of 2205 stainless steel on pitting corrosion were investigated in this paper. The results showed that nickel content, ranging from 4.5 wt% to 6.5 wt% in base metal, had only a minor effect on the electrochemical polarization curves, with all Enp's and Epp's falling in the rang of 1 1001200 mV. Comparing with the base metal, the simulated HAZ microstructure caused an increase in the anodic current density, a distinct decrease in both Enp and Epp , and a reduction in the passive range. Furthermore, hysteresis behavior was found …
Study On Steel Corrosion In Simulated Biofilm Environment In Seawater, Qingfei Wang, Jing Sui, Runxi Su, Deying Kong, Shizhe Song
Study On Steel Corrosion In Simulated Biofilm Environment In Seawater, Qingfei Wang, Jing Sui, Runxi Su, Deying Kong, Shizhe Song
Journal of Electrochemistry
Biofilm is one of the main factors that influence metal corrosion in seawater environment. According to the structure and property of biofilm, a natural biopolymeric gel,calcium alginate(an extracellular biopolymer containing carboxylate functional groups) can deposite on metal surfaces to form films. Corrosion behavior of alloyed steel E 2, 10CrMoAl and 18_8 stainless steel were studied in simulated biofilm environment by various electrochemical methods,including measurements of the corrosion potential,polarization curves,galvanic current and electrochemical impedance.The results show that such an approach is informative to reveal “how” and “to what extent” biofilm can influence the metal corrosion process.