Electrochemical reactions of Co(II), Cu(II), and Zn(II) complexes with 4-(2?-oxopropylidene)-2,2,5,5-tetramethyl-3-imidazolidine-1-oxyl

1991 ◽  
Vol 40 (12) ◽  
pp. 2395-2398 ◽  
Author(s):  
V. V. Yanilkin ◽  
M. K. Kadirov ◽  
Yu. M. Kargin ◽  
A. V. Il'yasov ◽  
S. V. Larionov
Keyword(s):  
Electrochemical Reactions

Electrochemical nucleation and growth of copper on iron and aluminum: A TEM study of industrial copper cementation

1978 ◽  
Vol 36 (1) ◽  
pp. 454-455
Author(s):  
L.E. Murr ◽  
V. Annamalai
Keyword(s):  
Metal Surface ◽  
Copper Deposit ◽  
Nucleation And Growth ◽  
16Th Century ◽  
Electrochemical Reactions ◽  
Mine Shaft ◽  
De Re ◽  
Copper Precipitation ◽  
Electrochemical Nucleation ◽  
Interesting System

Georgius Agricola in 1556 in his classical book, “De Re Metallica”, mentioned a strange water drawn from a mine shaft near Schmölnitz in Hungary that eroded iron and turned it into copper. This precipitation (or cementation) of copper on iron was employed as a commercial technique for producing copper at the Rio Tinto Mines in Spain in the 16th Century, and it continues today to account for as much as 15 percent of the copper produced by several U.S. copper companies.In addition to the Cu/Fe system, many other similar heterogeneous, electrochemical reactions can occur where ions from solution are reduced to metal on a more electropositive metal surface. In the case of copper precipitation from solution, aluminum is also an interesting system because of economic, environmental (ecological) and energy considerations. In studies of copper cementation on aluminum as an alternative to the historical Cu/Fe system, it was noticed that the two systems (Cu/Fe and Cu/Al) were kinetically very different, and that this difference was due in large part to differences in the structure of the residual, cement-copper deposit.

scholarly journals A Brief Insight into Microbial Corrosion and its Mitigation with Eco-friendly Inhibitors

2021 ◽  
Vol 7 (3) ◽  
Author(s):  
M. Lavanya
Keyword(s):  
Electrochemical Impedance ◽  
Wide Spectrum ◽  
Present Review ◽  
Electrochemical Reactions ◽  
Microbial Corrosion ◽  
Engineering Applications ◽  
Microbially Influenced Corrosion ◽  
Catastrophic Failures ◽  
Chemical Strategies ◽  
Insight Into

AbstractCorrosion results from the electrochemical reactions between the metal and its existing environment. Corrosion results in severe and expensive damage to a wide spectrum of industries. When microbes are involved in corrosion it is seldom possible to economically evaluate its impact. Microbially influenced corrosion is recognized to cause catastrophic failures contributing to approximately 20% of the annual losses. In many engineering applications, microbially influenced corrosion control is of prime importance. Expensive, toxicity and sometimes, even ineffectiveness of the current chemical strategies to mitigate microbially influenced corrosion have shifted the interest towards eco-friendly inhibitors. The present review discusses microbial induced corrosion in various metals and its inhibition through eco-friendly inhibitors. In addition, the study also reviews the morphological and electrochemical impedance results.

Monitoring of electrochemical reactions on different electrode configurations by ambient mass spectrometry

2021 ◽  
pp. 116180
Author(s):  
Weixiang Li ◽  
Jianghui Sun ◽  
Yixuan Gao ◽  
Ying Zhang ◽  
Jin Ouyang ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Ambient Mass Spectrometry ◽  
Electrochemical Reactions

Pinhole-Free Shell-Isolated Nanoparticle Enhanced Raman Spectroscopy for Interference-Free Probing of Electrochemical Reactions

2021 ◽  
pp. 7046-7052
Author(s):  
N. K. Murugasenapathi ◽  
K. A. Esther Jebakumari ◽  
S. Jamal Mohamed ◽  
K. Giribabu ◽  
Tamilarasan Palanisamy
Keyword(s):  
Raman Spectroscopy ◽  
Electrochemical Reactions

scholarly journals Porphyrin MOF-Derived Porous Carbons: Preparation and Applications

2021 ◽  
Vol 7 (2) ◽  
pp. 47
Author(s):  
Flávio Figueira ◽  
Filipe A. Almeida Paz
Keyword(s):  
Chemical Composition ◽  
Carbon Material ◽  
Metal Organic Frameworks ◽  
Electrochemical Reactions ◽  
Porous Carbon Material ◽  
Important Class ◽  
Porous Carbons ◽  
Preparation Methods ◽  
Crystalline Materials ◽  
Metal Organic

Metal–organic frameworks (MOFs) are crystalline materials with permanent porosity, composed of metal nodes and organic linkers whose well-ordered arrangement enables them to act as ideal templates to produce materials with a uniform distribution of heteroatom and metal elements. The hybrid nature of MOFs, well-defined pore structure, large surface area and tunable chemical composition of their precursors, led to the preparation of various MOF-derived porous carbons with controlled structures and compositions bearing some of the unique structural properties of the parent networks. In this regard, an important class of MOFs constructed with porphyrin ligands were described, playing significant roles in the metal distribution within the porous carbon material. The most striking early achievements using porphyrin-based MOF porous carbons are here summarized, including preparation methods and their transformation into materials for electrochemical reactions.

The Nature of Electrochemical Reactions Between Several Zinc Organodithiophosphate Antiwear Additives and Cast Iron Surfaces

1988 ◽  
Vol 31 (3) ◽  
pp. 382-390 ◽  
Author(s):  
Simon S. Wang ◽  
Shyam P. Maheswari ◽  
Simon C. Tung
Keyword(s):  
Cast Iron ◽  
Antiwear Additives ◽  
Electrochemical Reactions
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