Can you suggest a mechanically strong semipermeable (permeable to liquid and impermeable to gas) material?

I want to separate a stream of liquid and a stream of gas for an experiment. It is best suitable when the material is permeable to gases but impermeable to the liquid. Your valuable suggestions...

10 November 2019 6,467 3 View

What is the difference in the data analysis process for electron scattering as compared to X-ray scattering experiment in the solution phase?

Apart from the experimental part (where an additional problem of radiolysis (ion generation) in presence of electron beam is there) what other problems (like multiple scattering) might one face in...

10 November 2019 7,654 1 View

Using which experimental technique do I find out the molecular packing in an organic nanoparticle ?

06 July 2017 5,205 0 View

How can I understand the basics of 2-D electronic spectroscopy?

Especially how do I interpret 2-D electronic spectra? What do the absorption and emission axes signify?

04 May 2017 3,049 2 View

How do you explain diabatic and adiabatic potential energy surface?

Quantum mechanical description will help.

11 December 2016 2,385 0 View

Can you suggest a solvent for dipyrene?

It is okay even if I have to warm up the solvent a bit.

09 October 2016 4,449 3 View

Are there any interesting paper or scientific studies on compound eyes of Insects?

Also if there are any interesting study on photonic crystals please provide the links.

08 September 2016 4,597 0 View

For the XRD spectrum of graphtic Carbon nitride, why the peak at 27.4 degree is much more intense than that of at 13.1 degree?

What does this relative intensity correspond to?

04 May 2016 3,790 6 View

What are some easy ways of preparing methyl formate in the laboratory?

Procedure should involve easily available chemicals in the lab.

02 March 2016 7,098 1 View

How to prepare formic acid from formaldehyde or formamide in the laboratory?

Please provide me with an easy procedure.

02 March 2016 8,744 0 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 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

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 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