Can platinum electrode be used as both counter and reference electrode?

In the conventional 3-electrode setup, I am using glassy carbon as working electrode, platinum as counter electrode and platinum wire as reference electrode. Can it be used in this configuration?...

31 December 2017 7,426 8 View

What are the assumptions and limitations of Faradic equation?

In electrochemistry, Faradic processes are governed by Faraday's law which states that the extent of the chemical reaction caused by flow of current is proportional to the amount of electricity...

06 July 2017 3,286 0 View

Can somebody guide me regarding good book on Cyclic Voltammetry?

I am presently using Cyclic Voltammetry and Chronoamperometry. I need suggestions for a book or software that enables detailed analysis of the voltammogram. Regards

06 July 2016 6,753 1 View

What is the solubillity of picric acid in sodium hydroxide solution?

I am trying to prepare alkaline picric acid solution by dissolving picric acid in 1 M NaOH solution but I am unable to dissolve even 9 mg of picric acid in 10 ml of alkali.

01 January 1970 9,640 2 View

Is creatinine stable in the pH range of 0-2?

My reaction mixture contains 3M HCl which makes it very acidic. I want to understand if such a low pH would degrade creatinine in any way.

01 January 1970 1,268 4 View

What may be the reasons for sudden increase in peak current of CV curve of FeCl3?

I am studying the electrochemical behaviour of FeCl3 in the presence of a protein that forms a ligand with FeCl3. According to the reaction, with increasing concentration of the protein, more...

01 January 1970 2,549 4 View

How to minimise variation in cyclic voltammetry due to dilution?

I am trying to estimate the concentration of a biomolecule in presence of proteins using cyclic voltammetry. Due to interferences posed by proteins, the sampling volume has been diluted around 10...

01 January 1970 6,780 12 View

What is the nature of interaction between creatinine and ferric chloride?

I am exploring the complex formation between ferric chloride and creatinine. However, I am unable to find any literature regarding this complex and the stoichiometric ratio of iron required for...

01 January 1970 9,234 3 View

How to prevent protein adosorption on electrode surface?

I am trying to develop electrochemical biosensor using screen printed electrode. The sensor gives good response in blank solutions. However, in presence of proteins, such as albumin, the signal...

01 January 1970 6,342 7 View

How to denature albumin?

01 January 1970 5,580 4 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

Is that possible to do an impedance measurement without FRA module?

One of my colleagues said, "the impedance you can measure with the three electrodes and with the specific sequence varying the frequency" Is it possible to configure the potenciostat without the...

21 February 2021 418 2 View

Do you know this error? The experiment was stopped by a potential overload on Vs (auxiliary electrode)?

Hello everyone Do you have any information about this error 'The experiment was stopped by a potential overload on Vs (auxiliary electrode)' in Origamaster software? I tried everything possible,...

19 February 2021 3,152 7 View