How to minimise shift in peak potential?

I am studying Cyclic Voltammetry using screen-printed electrodes. However, I am observing a shift in peak potential each time. Kindly advise regarding the possible reasons for this and also...

05 June 2018 8,245 0 View

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

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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 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

What is the error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View