Review and cite PEAKS protocol, troubleshooting and other methodology information | Contact experts in PEAKS to get answers
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Questions related to PEAKS
Recently I used Raman spectroscopy to analyze some inclusions in diamond, and some of the inclusions showing hexagonal outline feature displayed raman peaks of about 367, 690, and 1027, the peak...
18 April 2022 3,438 3 View
I am beginner at XPS and I don´t really understand the theory behind why the FWHM should be the same for doublet peaks.
17 April 2022 9,264 3 View
I am fitting a W4d orbital where the 5/2 peak height appears to be smaller than the 3/2. I have tried with multiple curve fittings but the FWHMs are very high, between 4 and 6 eV. When using...
17 April 2022 3,753 3 View
I am trying to study the interaction of my protein with a small molecule ligand by trp fluorescence spectroscopy. My protein has molecular weight of 16 kDa and has 2 tryptophan residues. I am...
26 March 2022 3,299 2 View
Hello, I have deposited some ZrN coatings with different amounts of Cu (0-30 at.%) by reactive magnetron sputtering. In the XRD patterns, I can see the shift to the higher diffraction 2-thetas but...
25 March 2022 6,770 9 View
can anyone help me in analyzing the XRD peaks?
09 March 2022 6,888 3 View
so i got the peak for cyanidin glucoside correspond to the reference standard but i have other peaks in my samples how can i identify them?
05 March 2022 3,682 7 View
Please, do you have any experience with this kinf of peaks in 13C NMR chromatogram? Do I have to consider 2 carbons or just 1 for each peaks shape?
28 February 2022 2,306 6 View
Hi All, Can anyone please assist, direct me about how to use, get benefits from the FTIR peaks attached? Is the FTIR wavenumber mean that there is a specific bond for each wavenumber?
26 February 2022 8,782 6 View
I got my fragment analysis results of Microsatellite markers designed using haploid species. I am using a gene marker to analyze the peaks. I read that since it is haploid, i should see only one...
25 February 2022 1,016 9 View
Hello everyone 2-3 months I start getting weird XRD diffractograms. I was performing locked couple analysys on some polycrsitalline films. I am analysing those films for years so I know them quite...
21 February 2022 1,678 6 View
What is the reason of such solvent peaks and noise? Are they indication of any peak? Can these peaks be taken or considered? If not, what can be done?
17 February 2022 7,276 2 View
In my FTIR spectra, more than one peak appeared in the range between 3700 and 4000. What do these peaks indicate? And can I find someone who can help explain my spectra?
10 February 2022 737 2 View
Because Fe2O3, CuO, and MnO have satellite peaks in different positions.
10 February 2022 8,121 3 View
Hello. My XRD data shows that with prolonging the milling time, peaks become more sharp and have higher intensity. Is there an explanation for it?
09 February 2022 679 7 View
I want to know the chemical shift of the deuterated MCH. In order to lock the solvent peak during NMR, I want to know which of the peaks and which one to be used.
27 January 2022 4,629 2 View
I have been having issues with missing peaks in XRD spectrum of Antigorite (and other serpentines for that matter). The best is to illustrate with an example of Antigorite taken from the RRUFF...
26 January 2022 7,569 5 View
Hello everyone, I prepared copper oxide powder with inert support, with the ratio CuO60%/support40%. If I want to calculate d space or lattice parameters from XRD data, is it right to calculate...
25 January 2022 8,087 5 View
Usually nio does not have a peak between 50 and 60 degrees.But my xrd shows a high intensity peak there.Can anybody please help me
25 January 2022 7,033 7 View
Excuse me, what functional group does each of the characteristic peaks in the FT-IR spectrum represent?
21 January 2022 1,946 2 View
I need to digitise my XRD graph that is in pnj form, to extract data points of peaks but there is a large number of peaks so I want them to be selected automatically rather than selecting the...
12 January 2022 9,543 8 View
I know the sharp peaks designate crystallinity. What does a broad peak or no peak or broad peak with sharp peaks on the surface of a broad peak mean?
10 January 2022 8,136 7 View
Laser-514 nm grating-1800 power-0.1
07 January 2022 2,916 6 View
Dear colleagues, I have some Raman spectra that puzzle me - we did some coating with a hexane-Ar plasma on glass. Thus, I think the films are surely (hydro)carbon films. The Raman spectra we took...
04 January 2022 1,121 2 View