From where to procure Nafion NR50 powder (125microns)?

Goutam Narayan Tumulu @Goutam-Tumulu

30 July 2022 0 10K Report

Our lab is based in India. We need to use Nafion powder for catalysis and characterization

Badges
Science topic

More Goutam Narayan Tumulu's questions See All

Which are the critical parameters which basically affect the floating lag time?

We are basically preparing floating tablets and facing problems for minimizing the floating lag time. Please suggest.

13 March 2024 4,693 0 View

Which one is effective in the protein-nanoparticle interaction study - actual charge coated on NPs or the zeta potential measured in PBS?

11 March 2024 8,652 1 View

Can anybody tell me about SciPinion?

Few days back they mailed me twice and asked my application to be their paid reviewer. Did anyone get their email?

05 March 2023 3,311 2 View

How Can make defined radius silica nano particle which will be in water for MD simulation?

I want to make 4nm, 12nm, 20nm of silica nano particle which will be in water. Further I want to simulate it with Lammps pacakge.

29 October 2022 446 2 View

The ONIOM-NMR results doesn't open in Gaussview 6, but opens well in older versions.Has anyone encountered this?

When we are trying to find NMR-shift of a ONIOM multilayer model, the log file doesn't open in Gaussview 6(ERROR reading NMR Data). However, the same file opens in older versions with no error....

20 June 2022 2,352 0 View

Do Trialkyl phosphine oxides react with oxygen/water like Trialkyl phosphines?Do they need to be kept in inert environment all the time?

I am curious whether Trialkyl phosphine oxides needed to be treated in inert glove boxes/N2/vacuum environment like trialkyl phosphines?

17 May 2022 726 5 View

Can anyone provide a FID chromatogram or elution order of the following fatty acids?

I'm looking for the elution order of the following fatty acids in C18:1n9t, C18:1n9c, C18:1n7, C24:1, C22:4n6, C22:5n3, C22:5n6, and C22:6n3. I use Supelco SP 2560 Capillary GC Column.

01 December 2021 1,262 3 View

Do we need to to UV ozone treatment to increase adhesion of perovskite on Si/SiO2 substrate after SAM APTES treatment?

I am depositing perovskite on Si/SiO2. APTES SAM (self-assembled monolayer) treatment is reported as beneficial for perovskite. Can we do UV ozone treatment after APTES deposition? Or UV treatment...

07 September 2021 8,877 2 View

What are the different absorbency test methods of cellulosic textile materials in fibre form?

I would like to test absorbency of scoured and bleached cellulosic textile material in fibre form. So, what are the different absorbency test methods of for the same in fibre form?

03 September 2021 4,288 0 View

How to prevent reaction of CuSCN (as hole transport layer) with silver top electrode in perovskite solar cell?

I am depositing CuSCN on top of perovskite (FAMAPbI2) as HTL and silver as the top electrode. a silver top electrode in all my sample with CuSCN as HTL turn black within few minutes also device...

25 June 2021 3,565 4 View

Is someone interested in testing some of our new Alluaudite compounds (Molybdate) in the fields of heterogeneous catalysis and photocatalysis?

We have an original Alluaudite-Molybdate we want to test for catalysis and photocatalysis applications.

04 August 2024 2,261 1 View

How gold procurement?

Please note it

29 July 2024 4,920 3 View

How gold procurement?

https://www.cleanteqwater.com/resources/case-studies/gold-mine-australia/

29 July 2024 5,161 1 View

Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

23 July 2024 9,938 1 View

What is the harnessing rainwater harvesting for climate change adaptation and how is India trying to ensure rainwater harvesting?

20 July 2024 6,041 2 View

I want to plot calibration curve of pure mirtazapine powder using HPLC. Can someone please suggest a method without HPLC buffer as a mobile phase?

I am searching for HPLC method to estimate Mirtazapine but i want to avoid HPLC-buffers as a mobile phase component. So, I am looking for alternative HPLC-solvent (acetonitrile, methanol etc.)...

14 July 2024 1,493 3 View

What binders suggestion that I can use for zinc alloy?

I am working on powder metallurgy, and during the compaction process, the powder does not pelletize and remains in its powder form. To address this issue, I am considering using binders to improve...

13 July 2024 9,003 2 View

How i figuer out the weight of curcumin powder?

I am trying to load curcumin emulsion in 4% chitosan gel but i don not know how many mg powder is needed ?

10 July 2024 2,462 1 View

Can anyone suggest what amount of powder I have to disperse in the solvent for taking the FTIR spectra?

I have to compare the FTIR of the two samples, one is in powder form and other one is the powder dispersed in IPA or water. Both are same material, so how the bond will change

09 July 2024 8,011 2 View

Is VSM measurment of NdFeB alloy powder sample require any spesific sample preparation ?

Is any specific sample preparation required to perform VSM measurement of NdFeB alloy powder to get a square-shaped M-H loop? Or is it mandatory to make magnetically aligned and sintered pellets...

09 July 2024 1,969 0 View