How to calculate hkl values from XRD without knowing lattice parameter?

I took XRD of my compound, It has three peaks. I have to calculate the hkl values for them. I calculated the 'd' for Bragg's Equation for all three peaks. I do not know the lattice parameter(a) of...

05 June 2016 4,484 5 View

Which is the best light source to construct solar simulator?

I am building solar similator at my laboratory. I used tungsten source which is giving only 12000 lux. I am looking for a source of 100,000 lux or so. Please suggest me.

10 November 2015 7,388 7 View

How is the energy level diagram of Mn doped zinc sulfide drawn?

With the help of UV- Visible Spectroscopy I got band gap. But I do not understand how to calculate HOMO and LUMO. Please tell me how to calculate this.

31 December 2014 8,547 2 View

How can one coat synthesized polyaniline electrochemically?

I am trying to electrochemically deposit previously synthesized polyaniline blended with manganese doped zinc sulphide. Is there any way to do so or do I have to synthesis polyaniline...

11 December 2014 3,287 5 View

In which solvent will Zinc sulphide dissolve?

10 November 2014 2,519 4 View

How to extract the peak of XRD from JCPDS?

I was looking for the XRD peak of Mn Doped ZnS in The International Centre for Diffraction Data (JCPDS). But I could not get how to extract the data required.

11 December 2013 3,027 11 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 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

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View