Rumiaya Pervin

3 Questions 2 Answers 0 Followers

Questions related from Rumiaya Pervin

How to reduce PVA porous film shrinking during drying ?

I'm preparing porous PVA films by phase separation technique. Once the film has formed, it needs further drying. But during drying the film is shrinking slowly. How do I prevent this.

28 May 2019 1,492 0 View

Dear all, Can you suggest how to measure concentration of different component present in a homogeneous solution while it is changing with time?

I want to measure concentration of different components present in a homogeneous solution containing polymer and volatile components. During evaporation of volatile components there is a change in...

03 April 2018 8,418 0 View

Hi, can you please suggest how to measure ionic conductivity of a solution at different layer throughout the thickness of the solution?

I'm measuring ionic conductivity of a polymer solution by simple conductivity meter.it gives average ion concentration. But in my system there is a gradient in ion concentration throughout the...

23 March 2018 4,708 2 View