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

Can i treat XRD data without using rietveld refinment?

hello i have XRD data of titanium dioxide , i treat this files by using MATCH software and i can obtain identification and composition of my semiconductor without using rietveld refinment. What...

05 June 2018 2,157 1 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

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

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How to regulate SSCP temperature in simple PAGE?

I'd like to perform single-strand conformation polymorphism (SSCP) in my thesis, however I cannot control the temperature of the vertical PAGE since we are using the conventional tanks. Is there a...

02 March 2021 9,157 1 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 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 are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 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

Why my agarose gel staining sometimes looks not homogenic but like gradient (see the figure)?

I am worried about this overexposure of the upper part of the gel in the picture. Is it possible that this is the result of too much concentration of ethidium bromide? Why is there such a big...

25 February 2021 8,140 3 View