Tarek abdel-halim

7 Questions 12 Answers 0 Followers

Questions related from Tarek abdel-halim

What role does thermal treatment in making trace elements detectable by STEM/EDS?

I had a zircon ZrSiO4 sample from black sand beach Northern coast Egypt. The sample was tested using STEM/EDS to observe peaks for Zr, Si, and O with no other elements. What is interesting is that...

last month 8,952 5 View

I have a technical question about HighScore Plus, I am missing the option convert pattern to phase when I right click on the pattern?

I'm currently using high score plus and after performing phase identification and I press right click and I couldn't find Convert Pattern to Phase Could anyone provide a solution to this...

22 September 2024 2,905 0 View

Is there a open source raman spectroscopy program for pattern identification analog to QualX and Match for XRD patterns?

I have two patterns one is pure Brucite and the second is brucite with my adsorbed material and I want to identify the impurities on the second pattern. Thank you for any help you may provide.

23 April 2024 7,673 0 View

I'm a physicist and I was wondering is the term 'staining' used in geology equivalent to the term 'adsorption' in chemistry ?

I was examining a fluorite sample using EDAX and it didn't detect any uranium but when using XPS we detected U on the surface of the fluorite. Could this be interpreted as uranium salts being...

25 August 2023 5,130 4 View

Is it possible to Miss a Major line from SAED TEM pattern analysis ?

I had an Mg(OH)2 (nano) sample where I had an XRD pattern which looks just fine. The same sample was taken to undergo a TEM analysis along with SAED. The SAED pattern were missing the (101) line...

29 April 2023 5,204 8 View

. My question is does the BET curve below indicate a mesoporous structure?

I sent a Mg(OH)2 sample to a lab for adsorption/desorption test. The results were returned to me

13 February 2023 1,522 5 View

Raman spectra of both nano standard magnesium hydroxide and magnesium hydroxide with adsorped uranium

does adsorbed uranium on the surface of magnesium hydroxide Mg(OH)2 cause changes in its raman pattern? Is it a radioactive effect? Could it be a boson effect that occurs at low frequency?

01 January 1970 935 1 View