If two powder xrd patterns are the same, can we conclude that they are the same compounds?

We have prepared some catalysts with some modifications, but the core structure is the same. we have recorded the Xrd patterns. some of them are the same. It should be mentioned that the melting...

04 May 2017 6,542 9 View

How is it possible to differentiate powder ingredients according to density?

11 December 2016 4,842 5 View

How we can determine the purity of TiCl4?

we need a test method to determine the purity of TiCl4.

01 February 2016 884 3 View

Can we perform condensation polymerization under solvent-free conditions?

11 December 2014 8,127 4 View

What is the best radical initiator in methanol (solvent)?

I have used AIBN and benzoyl peroxide. AIBN was better for me.

11 December 2013 5,191 1 View

Why do some chemists publish articles if they are aware that the reaction had been reported without any catalyst or under solvent-free conditions?

What is the reason to publish and mislead the society?

07 August 2013 5,667 4 View

What is the synthetic procedure for the preparation of 1-allylimidazole?

i have attempted different ways which all were unsuccessful or lead to a pasty substance. I have tried imidazole + NaOH in water enthanol mixture, and also imidazole + NaOH in DMSO. and also ethanol.

06 July 2013 755 5 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

How can I calculate the rdf of water molecules around 'Na' ions that are closest(adsorbed) to the nanoparticle(solute)?

Hi, I want to calculate the radial distribution function for water molecules around the Na+ ions adsorbed on the surface of a spherical nanoparticle using the gromacs trajectory dynamically? For...

28 February 2021 5,650 1 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View