Pranay Gandharapu

4 Questions 5 Answers 0 Followers

Questions related from Pranay Gandharapu

How to dissolve SBR binder in water?

I am trying to dissolve CMC-SBR in water at 80C. First, I start with dissolving CMC in water, stirring at 80C, and after CMC is dissolved I added SBR, but SBR ends up as white gel-like structures....

01 May 2023 8,568 6 View

Ball milled Aluminum powder catches fire due to instant oxidation?

I used SS balls and container and sealed the container in Ar atmosphere. After ball mill, there is particle size reduction but I see sparks with very high exothermic oxidation. It is quite scary....

30 May 2022 3,079 5 View

Metal nanoparticles settle down in acetone but not in ethanol, why?

I have made metal nanoparticles ~50nm (probably also has some surface oxide) when it is dispersed in acetone, it settles down quite fast, but when it is dispersed in ethanol, some particles settle...

03 November 2021 2,245 4 View

In SEM, why we focus at high magnification first and then come back to low magnification, but we don't do the same in TEM??

What is the technical explanation behind good resolution at high magnification works very well at low magnification too in SEM, but not in TEM??

20 February 2018 3,957 5 View