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
Because Fe2O3, CuO, and MnO have satellite peaks in different positions.
10 February 2022 8,059 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 614 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 4,576 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 7,507 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 8,019 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 6,972 7 View
Excuse me, what functional group does each of the characteristic peaks in the FT-IR spectrum represent?
21 January 2022 1,877 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 9,474 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 8,074 7 View
Laser-514 nm grating-1800 power-0.1
07 January 2022 2,852 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 1,053 2 View
Hi, Just a little question about ROS. I measured ROs in untreated and treated (2T) with Ultrasound, I've observed 2 peaks in DCFH-DA in WT. It's normal? In some experiments, the second peak...
22 December 2021 6,362 1 View
hello, can you help me determine the nature of this intenses peaks . the graphical representation is of x-ray diffraction. I want to know that it means the two peaks at 2 theta 35 and 44.
12 December 2021 6,646 4 View
i have a Raman spectrum of pristine Nb2O5. The spectrum was fitted with lorentz function and matched with lot of unknown peaks. it would be great someone can explained spectrum. The corresponding...
12 December 2021 3,287 4 View
Unwanted peaks appearing around 0-1 and 1.5-1.6 ppm.
05 December 2021 4,910 5 View
I used DSC to measure the denaturation temperature of proteins, but the repeatability is very poor, sometimes there are peaks, sometimes not. Btw, I used protein solution for measurement (10% wt)....
24 November 2021 1,651 3 View
I have synthetised different batches of chitosan nanoparticles under different cconcentrations, and all the samples exhibits an hydrodynamic size between 190 - 400 nm. But, when I tried to measure...
24 November 2021 5,882 7 View
I have synthesized Cu2O nanoparticle by chemical synthesis method. The obtained precipitate is dried and observed for 30 days. Its colour changed gradually to slight brownish black. XRD results...
23 November 2021 8,384 8 View
I have added silica layer to my adsorbent to make it hydro stable. When I did the XPS analysis for both coated and uncoated material, the shift in O1s peak was positive while shift in Zn2p peaks...
16 November 2021 2,667 4 View
The Hydrogen and Oxygen adsorption and desorption peaks are observed usually in a Cyclic Voltammogram. The Double layer is generated in between the reaction. I want to know that how can we specify...
14 November 2021 2,487 1 View
Dear colleagues, Some studies recognize the SEM-EDS technique as an alternative to discriminate particles with strong C peaks from minerals and other organics. However, is the EDS spectrum...
08 November 2021 3,048 5 View
Hello, I have an iron carbene complex that form aggregation. When I used CDCl3 for HNMR, peaks were too broad, but when I used deuterated MeOH, I got a sharp peaks; however, the HSQC and HMBC were...
28 October 2021 7,293 5 View
Hey guys, In my work, microsatellites are processed within the Ericales. They are dimers and the intensity of the peak at 650-700 bp makes sense. But what are the smaller peaks ? Amplifiability...
23 September 2021 8,075 0 View
I have been working with Ni ferrite as the working electrode. From literature, I have seen many papers of Ni ferrite in KOH showing clear redox peaks. But when I am performing electrochemical in...
05 August 2021 6,786 10 View