How can I preform IEC of blend membranes?

More G. Rambabu's questions See All

Graphene quantum dots is water soluble?

I have prepared graphene quantum dots but they are dissoving in water. Is GQD soluble in water irrespective of the method we use to prepare them? or the solubility depends on preparation method....

09 October 2015 2,597 7 View

How to calculate surface roughness factor from AFM analysis?

I have analysed membranes through AFM analysis for their surface morphology? i want calculate the surface roughness for the membranes> In the roughness profile which i got has mean roughness...

31 December 2014 1,971 21 View

Can any one please tell me about how to interpret the electron diffraction pattern of base material and modified material?

For both the materials I got almost similar electron diffraction patterns. Is it related to structural aspects?

03 April 2014 8,166 2 View

Polymer wear calculation?

What is the method for analytically calculating the wear and service life of polymer-polymer sliding pairs?

04 August 2024 1,078 1 View

What is the reason I get 400nm nanoparticles using an extruder with 200 nm membrane for cell membrane coating?

I am trying to coat my micelles and PLGA based nanoparticles with cell membrane using an Avanti mini extruder according to literature . I use 200nm membrane but my particles end up to be 400nm And...

30 July 2024 3,294 3 View

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 3 View

Does it exist some special technique for cutting ceramic membranes for Cross-sectional FESEM images?

Does it exist some special technique for cutting ceramic membranes for Cross-sectional FESEM or SEM images?

25 July 2024 5,482 2 View

What is the difference between coordination polymer, MOFs, MCOFs?

Wherever I have referred, it puts me in a dilemma about the exact differences between these. It would be really helpful if someone can put me out of this trouble.

21 July 2024 3,045 3 View

Appearance of crystallization peak in heating cycle of DSC test?

For which types of polymers, the crystallization peak in heating cycle of DSC test can be observed and for which types cant? In another word, when this exothermic crystallization can be observed...

18 July 2024 348 3 View

Interpreting ATR-FTIR Spectra for Microplastics Research?

Hello everyone, I am currently pursuing a PhD in Environmental Engineering with a focus on microplastic studies. My background is in Civil Engineering, and I am relatively new to working with...

18 July 2024 7,258 3 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View

Issues with Malaria Coated Nitrocellulose Membrane Releasing Moisture?

Hello, I am currently working with Malaria Pf/Pan nitrocellulose membranes coated for malaria detection. After drying the coated membranes in an Incubator (overnight at 37°C), I've noticed that...

16 July 2024 7,937 1 View

How can we test a Nafion membrane ?

we have a nafion 117 membrane and we want to know if it has the properties claimed by the sellers. what are the tests available ?

13 July 2024 503 1 View

Abdul Al Lafi

theoretically, the overall IEC should be: IEC a* its portion+IEC b*its portion

but in practice and due to exchange or hydrogen bonding or acidic strength the value deviates. all you have to do is to titrate the mixture against a standardized alkali.

G. Rambabu

Thank you sir

How to calculate theriotical IEC of a polymer and materials like functionalized graphene?