Ahmed M Elsheikh

4 Questions 22 Answers 0 Followers

Questions related from Ahmed M Elsheikh

How to explain overlapping peaks in XRD patterns of multimetallic systems?

I am working on various trimetallic catalysts of Pd and two other metals for ethanol oxidation. All of them have resulted in one metallic phase upon analysis by X-ray diffraction. That means no...

10 October 2019 1,929 7 View

Please, could someone explain the ORR mechanism to me?

Dear All, I prepare trimetallic Pd-based catalysts supported on carbon and apply them as electrocatalysts for ethanol electrooxidation which is my main target. Yet, an idea occurred to me that...

03 March 2019 8,123 3 View

Failure of reference electrode in 3-electrode cell, help?

Hello, I am using a 3-electrode cell for testing ethanol electrooxidation. The reference electrode is Hg/HgO and electrolyte is alkaline KOH. The working electrode and counter electrode are GC...

02 February 2019 4,531 1 View

How to obtain reproducible cyclic voltammogram using ø3mm GC electrode?

Dear All I study ethanol electrooxidation on Pd, which is supported on carbon using cyclic voltammetry.I prepare the working electrode by adding 5mg of powder to 33µL Nation and 467µL of ethanol...

10 October 2017 2,913 0 View