I am trying to detect Selenium (IV) using Glassy Carbon electrode in perchloric acid but not able to observe any oxidation/reduction peak for selenium (IV) in cyclic voltammogram (CV: range -1 to 1). Could anyone suggest any solution for it.
I suggest you to read this paper (pag.75):
http://cordis.europa.eu/pub/fp7/euratom-fission/docs/recosy-firstannualworkshopproceedings.pdf
I am working on III-nitrides and related application since long, however started exploring HEMTs recently. I am trying to explore HEMTs for different sensors ... Does anyone is working in this area?
31 December 2016 4,146 0 View
I am working on the arsenic detection via photo-electrochemical/optical route using different nanostructured material. Can anyone help me to get a perfect ligand for the selective and sensitive...
07 August 2016 6,166 2 View
How one should start then to find the potential window of electrolyte and various working electrodes (Au, Pt, GC, Ag). Isn't there any database available on this ?
03 April 2016 4,329 2 View
How to functionalized carbon quantum dots with GSH (Glutathione) or DTT (Dithiotheritol) ??
03 April 2016 5,239 2 View
I am working on electrochemiocal sensor and facing some problem in impedance analysis. I did impedance of my modified electrodes (results attached) in 5 mM ferri/ferro solution containing 0.1 M...
02 March 2015 4,044 11 View
I am trying to detect arsenic using MnOx/Au nanocomposite by LSVAS using following parameters. Vdeposition = -0.7 V Stripping V= -0.6 to 0.3 V scan rate = 100mV/sec Electrolyte: Carbonate buffer...
02 March 2015 4,123 4 View
I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...
10 August 2024 3,629 1 View
For example, I perform passivation process before electropolymerization of Py for adhesion to titanium surface. Is a similar or different procedure required for ITO? If necessary, I would be glad...
06 August 2024 3,176 0 View
Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...
05 August 2024 3,783 2 View
I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?
03 August 2024 4,624 3 View
Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.
31 July 2024 9,140 2 View
My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...
30 July 2024 4,671 3 View
We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...
30 July 2024 942 2 View
Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...
29 July 2024 1,376 0 View
Dear All, here is my question: if I have a 15-scans cyclic voltammetry performed with PalmSens, how can I obtain the charge passed during the process? Hopefully avoiding integrations,...
29 July 2024 3,733 5 View
Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.
29 July 2024 4,538 3 View