Results 21 to 30 of about 161,396 (256)

Influence of copper surface pretreatment on the kinetics of oxygen reduction reaction in 0.5 M NaCl solution: Surface characterization and electrochemical studies

open access: yesApplied Surface Science Advances, 2021
The study of oxygen reduction reaction (ORR) in 0.5 M NaCl on copper revealed that oxygen reduction reaction rates are markedly influenced by the surface condition and increased in the following order: covered with PDTC < pre-reduced < passivated ...
Nisrine Benzbiria   +2 more
doaj   +1 more source

Frontiers and Challenges in Electrochemical Corrosion Monitoring; Surface and Downhole Applications

open access: yesSensors, 2020
Corrosion sensing is essential to monitor and safeguard the materials’ health and control the maintenance cost of corrosion-prone materials used in various industries. The petroleum industry is a major sufferer of corrosion costs among various industries
Abuzar Khan   +4 more
doaj   +1 more source

Surface Charge Density Determination in Water Based Magnetic Colloids: a Comparative Study [PDF]

open access: yesMaterials Research, 2017
This work focuses on the systematic investigation of the two well-established methods of structural surface charge density determination on magnetic colloids, labeled as Single Potentiometric Method (SPM) and Potentiometric-Conductometric Method (PCM ...
Alex Fabiano Cortez Campos   +3 more
doaj   +2 more sources

Development and Practical Application of Glucose Biosensor Based on Dendritic Gold Nanostructures Modified by Conducting Polymers

open access: yesBiosensors, 2022
In this study, graphite rod (GR) electrodes were electrochemically modified by dendritic gold nanostructures (DGNs) followed by immobilization of glucose oxidase (GOx) in the presence of mediator phenazine methosulfate (PMS).
Natalija German   +3 more
doaj   +1 more source

Significance of SO2 in beer. Part 2: Methods for determination of SO2 in beer.

open access: yesKvasný průmysl, 2007
The article provides a summary about various types of methods for the determination of sulphur dioxide in beer, with the emphasis on the electrochemical methods. In this article a new electrochemical method for the determination of free and total sulphur
Josef DVOŘÁK, Pavel DOSTÁLEK
doaj   +1 more source

Electrochemical Corrosion Behavior of High Velocity Oxy-Fuel (HVOF) Superalloy Coatings On Ductile Irons

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2019
In this study, alloyed and unalloyed ductile irons(DI) were coated with two different Ni-based superalloy materials by HVOFmethod. Microstructure and phase analyzes of the coatings were performed byusing SEM, EDX, XRD methods.
Yusuf Kayalı   +4 more
doaj   +1 more source

Development and Optimization of Electrochemical Method for Determination of Vitamin C

open access: yesChemosensors, 2022
The focus of this work was to develop a simple electrochemical method for the determination of vitamin C (VitC) by using a specially constructed microelectrode made from pyrolytic graphite sheet (PGS).
Ivana Škugor Rončević   +4 more
doaj   +1 more source

A Recent Progress of Steel Bar Corrosion Diagnostic Techniques in RC Structures

open access: yesSensors, 2018
Corrosion of steel bar is one of key factors undermining reinforced concrete (RC) structures in a harsh environment. This paper attempts to review the non-destructive procedures from the aspect of the corrosion measurement techniques, especially their ...
Dong Luo   +5 more
doaj   +1 more source

Garnet-type lithium sensors for the monitoring and control of Pb-Li alloys in tritium breeding modules

open access: yesNuclear Materials and Energy
During the EU-DEMO conceptualization, eutectic Pb-Li was considered as the prime candidate liquid breeding material. Nonetheless, the conversion of lithium into tritium through the breeding reaction will result in a decrease in the lithium concentration ...
Marc Nel-lo   +4 more
doaj   +1 more source

Electrochemical Methods in Pesticides Control [PDF]

open access: yesAnalytical Letters, 2004
The state of the art of voltammetric and amperometric methods used in the study and determination of pesticides in crops, food, phytopharmaceutical products, and environmental samples is reviewed. The main structural groups of pesticides, i.e., triazines, organophosphates, organochlorides, nitrocompounds, carbamates, thiocarbamates, sulfonylureas, and ...
Garrido, E. Manuela   +3 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy