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

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

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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 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

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

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View