How to calculate crystallite size of TiO2 using match software?

hello i want to calculate crystallite size by using match Sofware , first it ask me to add instrumental standard and i do but i don't know how i calculate crystallite size?? i need any body is...

05 June 2018 1,292 0 View

How to calculate crystallite size of TiO2 Anatase, Rutile in mixed phase ?

hello i am triying to obtain cristallite size of titanium dioxide by scherrer equation using FWHM of XRD analysis. how i can get the correcte answer of this parameter i have 75% of anatase and 25%...

04 May 2018 7,613 6 View

Why i have presence of zirconium oxide in titanium dioxide ?

hello i have synthesized titanium dioxide via sol gel process with tetraisopropoxide as precursor and acetic acid and water.....etc the sol is formed and it is heated to form a gel.... then a gel...

03 April 2018 8,435 5 View

Which method of analysis can I assure the presence of your rare earths in TiO2 ?

hello i want to dope titanium dioxide by sol gel methode with the use of titanium tetraisopropoxide and some of rare earth oxide as precursors with glacial acetic acid and water. 1) Are rare...

31 December 2017 1,669 0 View

Why i can obtain anatase phase of titanium dioxide ?

hello every body i had synthesised titanium dioxide with sol gel method following this experimental protocol . i add titanium tetraisopropoxide dropwise to HCl solution (concentration 1mol/L) in...

10 November 2017 1,190 8 View

How much i take precusor for synthesis TiO2 ?

hello i prepare titanium dioxide via Sol-gel by titaniumtetraisopropoxide (TTIP) and i want to obtain 3g of final catalyst how much volume i should take of TTIP to abtain 3g of catalyst??? thanks

09 October 2017 7,095 0 View

Why using alcohol solvents?

31 December 2016 853 2 View

How I assure the solubility of rare earth oxides ?

31 December 2016 6,026 4 View

How to get a clear solution of ethanol and TTIP?

Salam I want dissolve TTIP in ethanol by drop wising ethanol to TTIP under stirring but sometimes I get a White milky solution and in other cases I get a clear solution. How I proceed to get a...

11 December 2016 2,823 5 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 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

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

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View