How to identify a peak at 2 eV in EDX measurement of relativly pure Aluminium Oxide?

More Kevin Bethke's questions See All

How to identify wetland area in Landsat imagery?

The indexes NDWI and MNDWI are use to identify waterbody. Can I use these index to identify wetland also? Thank you for advance.

25 July 2024 6,242 2 View

Im trying iodination of an arene, but only getting black precipitates, is there anyone with iodination experience who can advise?

Organic Synthesis. My student has been trying iodination of arenes (our goal is to iodinate p-phenylenediamine) following these literature procedures: 1. Synthesis 2004, No. 11, 1869-1873 using...

16 July 2024 6,630 1 View

Is there a way to calculate cell density and thus cell count from confluency for RPE-1 cells?

I am growing cells in a 24 well plate. I do not have access to a microscope with a camara, so I have to calculate the number of cells in the wells manually. I can get the confluency pretty easily,...

04 July 2024 9,622 0 View

Why am I seeing no color change of the positive control cell death assays?

I am currently running Cell Death ELISAs, using the Roche Cell Death Detection ELISA kit. My samples are from the supernatant of bacterially infected primary canine cells. I am seeing no color...

02 June 2024 8,682 1 View

Latest Advancements in Minimally Invasive Heart Surgery ?

What are the latest advancements in minimally invasive heart surgery techniques, and how do they compare in terms of patient outcomes and recovery times to traditional open-heart surgery?

16 May 2024 3,336 2 View

What would be some simple definitions to give to coaches and athletes on force platform metrics?

Jump Momentum Force at min Displacement Avg Propulsive Force Braking RFD Avg Braking Force

12 May 2024 768 0 View

¿Como puedo transformar una variable donde predominan los ceros y también hay valores altos dispersos?

Tengo una columna de la variable de "precipitación" donde predominan los ceros y hay valores altos. No he podido transformarla para obtener una distribución normal, ya he usado métodos de log,...

05 April 2024 8,427 1 View

Is it necessary to include an FMO for 7-AAD dye in your Flow Cytometry experiment? If not, why?

I'm optimizing a flow cytometer experiment and one of my three stains is a 7-AAD Live/Dead stain. The other stains in my experiment are staining for CD34+ and CD45+ cells. Is it necessary to...

01 April 2024 3,060 0 View

Would you have a simple Protocol for Flow cytometry cross match test (in flow tubes)?

The cross-match test is an in vitro test to determine the presence of anti-lymphocyte antibody to donor cell antigens (lymphocytotoxic antibody) in serum of an individual with preformed...

01 April 2024 3,203 1 View

Has anyone observed an injury caused by a spiny dogfish sting resulting in isolated muscle atrophy in human?

Fisherman stung while extracting hook from fish.

19 March 2024 535 0 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

Why aren't most metal oxides insoluble in water?

Why BaO (s) + H2O(l) ---> Ba 2+(aq) + 2 OH - (aq) if Oxygen loves owning all the electrons, why would it bind to hydrogen which competes with Oxygen for electron ownership more so than...

03 August 2024 5,392 1 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

Hello dear researchers. I would like to know what is a normalized mass in an EDX analysis?

EDX analisys

31 July 2024 5,947 2 View

Why some elements doesn't exist in my EDS analysis?

I have done sem eds analysis for Hydroxyapatite and zeolite NaP composites, but no Na and Ca elements were detected at a 500× magnification, and there should be no Ti elements, and at a 2000×...

29 July 2024 6,274 2 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,163 1 View

Addition of EDTA during the synthesis of copper nanoparticles to prevent it from being oxidized?

I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...

28 July 2024 8,027 3 View

How can the rubber fibres produced by the electrospinning device be removed from the fibre collect(aluminium foil) ?

How can the rubber fibres produced by the electrospinning device be removed from the fibre collector (aluminium foil) without affecting the orientation of the rubber fibres for use in reinforcing...

26 July 2024 8,281 0 View

Standard curve of H2O2?

Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...

26 July 2024 3,460 2 View

Stefan Baunack

The sum peak becomes prominent at higher beam currents (I guess it's 2 keV):

https://www.researchgate.net/publication/301795275_Artificial_peaks_in_energy_dispersive_X-ray_spectra_sum_peaks_escape_peaks_and_diffraction_peak

https://www.globalsino.com/EM/page1747.html

https://qd-europe.com/de/de/neuigkeiten/produkt-und-anwendungsneuigkeiten-spectrum/good-practice-in-der-elementanalyse-teil-iv/

Kevin Bethke

Thank you for the article. The electron beam was accelerated with 12 keV.

Alexander M Bittner

Thanks, very interesting review paper! Btw, it was finally published here:

https://doi.org/10.1002/xrs.2697

And I hope the slightly... weird... English is now in better shape. But the content is definitely useful!