XRD Clay Analysis peak 10,.. A is Illite or mix leyered Illite?

Dear all, I am doing clay analysis with XRD and I find peak 14 A; 10 A and 7 A. The 14 A is interpreted as Chlorite because no change in Glycol and Heating 400 but increase intensity in Heating...

08 September 2018 9,469 2 View

How to do a good fitting of clays in XRD?

Hallo Sir, I am doing bulk XRD with Topaz in rock sample that contain a lot of clay content (Illite & Kaolinite). From XRD I also can identify quartz, hematite, calcite, pyrite etc. I have...

07 August 2018 7,213 8 View

Is there someone who have Chrysotile XRD database?

Dear all. I am doing the XRD for laterites and from DiffracEVA we identify Chrysotile, Lizardite, Antigorite, Gibbsite etc. The problem is we don't have Chrysotile database although we export it...

06 July 2018 4,541 4 View

How do I difference the Muscovite and Illite Peak in XRD?

Dear Experts, I used Topaz to identify mineralogy in XRD and I found that the Muscovite and Illite peak is almost same each other. If the sample consist of low Illite/Muscovite content, it will...

03 April 2018 847 5 View

Is there any recommendation of textbook or publication to study mineral identification by SEM for beginner?

Dear Sir, I want to study about mineral identification by SEM (Scanning Electron Microscopy) and really need some textbook or publication. I already have searched some publications but many of...

02 March 2018 4,449 4 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

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

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View