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

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

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

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

29 July 2022 9,629 0 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

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

Aspen Plus Simulation?

Greetings When one is to perform Simulation or modelling of Pyrolysis of Biomass Waste materials using Aspen Plus software, and one has both the macromolecules breakdown (Cellulose, Lignin and...

06 August 2024 5,023 1 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

Why aren't most metal oxides insoluble in water?

Why BaO (s) + H2O(l) ---> Ba 2+(aq) + 2 OH - (aq) if Oxygen loves owning all the electrons, why would it bind to hydrogen which competes with Oxygen for electron ownership more so than...

03 August 2024 5,392 1 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

How to Transform my handy-wavy explanation of why group I/II metals oxides in aqueous solution are basic into a rigorous argument?

I heard an explanation about something being a better proton acceptor or lone pair donor but that doesn't make sense. I couldn't explain in in terms of acid-base theory. The hand-waving way I saw...

03 August 2024 9,918 0 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View

Addition of EDTA during the synthesis of copper nanoparticles to prevent it from being oxidized?

I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...

28 July 2024 8,027 3 View

Standard curve of H2O2?

Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...

26 July 2024 3,460 2 View

Aref Wazwaz

Dear Goutam Narayan Tumulu . See the following useful RG link: Chapter e-EROS Encyclopedia of Reagents for Organic Synthesis

Kindly see also the following useful links: https://www.chemistryviews.org/details/ezine/10679336/Mild_Reduction_of_Phosphine_Oxides/

https://www.mdpi.com/2673-401X/2/4/23/pdf

Also check please the following useful link: https://inis.iaea.org/collection/NCLCollectionStore/_Public/31/045/31045773.pdf

The following link is also very useful: https://www.alfa.com/en/phosphine-oxides/

Visit also the following useful links: https://chempedia.info/info/trialkylphosphine_oxide/

https://patents.google.com/patent/GB2191490A/en