Muhammad Wasim Akhtar

10 Questions 15 Answers 0 Followers

Questions related from Muhammad Wasim Akhtar

How can I functionalize graphene with Di amine?

I want to functionalize graphene with di ammine.

10 October 2015 7,131 2 View

What are the necessary considerations, during functionalization of Graphene?

What is the optimum temperature, Why refluxing is important?

09 September 2015 6,781 3 View

How can I find the proper concentration of graphene during synthesis by liquid-phase exfoliation?

I am working on the liquid-phase exfoliation of graphite for synthesis of graphene. I am unable to calculate the proper concentration of graphene in the dispersion. When I tried with vacuum...

10 October 2014 3,756 3 View

What is dipolar aprotic solvents? Does anbody have list of dipolar aprotic solvents

What are Dipolar Aprotic Solvents? Does anybody knows about their properties and have list for dipolar aprotic solvents.

09 September 2014 9,142 2 View

How do you find the molar absorptivity of the mixture of solvent to find the concentration of graphite that is dispersed as graphene in the solvent?

I exfoliate graphite by liquid phase exfoliation method. after synthesis the Dispersion is in liquid form. I normally use filtration method to find the concentration but I read some authors find...

09 September 2014 658 3 View

How can I clean silicon wafer substrate for an AFM sample?

I want to characterize my Graphene on Atomic force Microscopy (AFM), therefore I request you to kindly guide me the sample preparation steps for AFM and cleaning of silicon wafer as a substrate...

09 September 2014 10,008 11 View

Could you please tell me how to find absorption in the below UV-VIs Spectroscopy?

i am unable to find this simple thing.

09 September 2014 4,081 19 View

Does anyone have an idea of how to calculate the molar absorption of a solvent by UV-vis-Spectroscopy?

See above

07 July 2014 6,833 2 View

How can i find the area of three different segments of a curve using Origin or any software?

Here i am attaching the picture you reference. S1,S2 and S3 are the three different segments of the curve. i want to calculate the specific area of these segments by using some software like...

01 January 1970 6,410 2 View

Activation Energy Calculation from Flynn Wall Ozawa Method?

How to calculate the lnβ, from a TGA curve, for calculating the activation energy Ea.

01 January 1970 6,631 4 View