In this work, electrochemical methods such as Tafel polarization and electrochemical impedance spectroscopy (EIS) were used to study the inhibition efficiency of Nettle leaves hydroalcoholic extract as a green corrosion inhibitor of API 5L carbon steel in 0.5 M H2SO4 solution. The results showed that the inhibition efficiency was increased with increasing the concentration of the extract and th...

This work compares for the first time the physical and chemical characteristics of activated carbons produced from glucose and hydrothermally carbonized glucose, as well as their performance as electrodes in supercapacitors in aqueous electrolyte (H2SO4). Both KOH-activated carbons exhibit similar textural properties, with BET surface areas of ~ 1400-1500 m/g and a pore volume of ~ 0.70 cm/g, t...

as seed germination of guava (psidium guajava) is poor and time-consuming, the effects of seed extraction technique and scarification methods on the seed germination and seedling growth of guava cv. allahabad safeda, were investigated. first experiment was conducted on extraction of guava seeds using sulfuric acid (h2so4) : seed ratios including: 1:5, 2:5 and 3:5) or manual extraction (control)...

The optical absorption, ionic conductivity, electronic conductivity, and gas separation properties have been evaluated for flexible composite films of ionically conductive polymers that contain partially embedded arrays of ordered, crystalline, p-type Si microwires. The cation exchange ionomer Nafion, and a recently developed anion exchange ionomer, poly(arylene ether sulfone) that contains qua...

Fondation Recherche Alzheimer (SAO-FRA 2019/0025)was missing from the acknowledgements. This has been corrected online.

A method for the potentiometric determination of bromate by circulatory flow injection analysis (CFIA) is described. The procedure involves the use of an Fe(III)-Fe(II) potential buffer solution, which is recycled via a reservoir. The analytical method is based on a linear relationship between the concentration of bromate and a very transient potential change in the electrode potential due to t...

INTRODUCTION Electrode materials in high area form are of common use in electrochemical energy storage and energy generation applications as in batteries and fuel cells. Attempts to extract information regarding intrinsic properties of such highly divided materials in environments that resemble actual devices are often compromised by the presence of binders and/or additives, including complicat...