Asmita Shrestha

7 Questions 8 Answers 0 Followers

Questions related from Asmita Shrestha

How to determine pka of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) in propionitrile at -40 C?

The pka of DBU in acetonitrile is 24.34. The pKa values are affected by temperature and the solvent dielectric constant. Is there a formula to convert pka values from one solvent to another as...

28 March 2016 2,524 1 View

What solvent and electrolyte combination is suitable for a large potential window with glassy carbon electrode in non-aqueous condition?

I am using Ag/AgNO3 reference electrode and Pt mesh as counter electrode. I am looking a larger oxidation potential window than 0.1M TBAPF6 in Acetonitrile.

25 February 2016 5,414 3 View

How do I calculate specific capacitance for an homogenous electrocatalyst?

I have read articles on calculation of specific capacitance for heterogenous electrocatalyst? Could anyone refer some articles for homogeneous system?

02 July 2015 7,784 2 View

How do I set-up two compartment cell for cyclic voltammetry?

Can anyone refer to articles on setup for the two compartment cell CV? I have seen "working compartment with working electrode and reference electrode" and second compartment with counter...

01 July 2015 6,731 9 View

What to expect during water oxidation using sodium hydroxide solution?

I am working on electrochemical studies on water oxidation catalysts. I am trying to do pH-dependent CV with electrolyte solution of sodium triflate and sodium hydroxide using GC electrolyte,...

18 June 2015 2,469 7 View

What is the best way to crystallize sodium hydroxide for electrochemical studies?

I have tried to crystallize with sodium hydroxide with ethanol. However, I can still see a peak at 1.3V vs. Ag/AgCl in my CV graph.

17 June 2015 1,942 4 View

Is there a quick way to know if hydrogen peroxide is formed?

I am working with oxo-bridged species and before I perform iodometric titration, I want to know if hydrogen peroxide is present at all? Is there a quick way to test?

15 May 2015 5,048 6 View